{"product_id":"tecnoseal-00550-series-shaft-collar-anode","title":"Tecnoseal 00550 Series NACA Profile Shaft Collar Anode","description":"\u003cp\u003e\u003cstrong\u003eTecnoseal 00550 Series NACA-profile shaft collar anodes\u003c\/strong\u003e are split sacrificial anodes for marine propeller shafts from 19mm to 35mm. This combined range contains nine shaft-bore sizes in zinc, aluminium and magnesium, giving 27 variants. Every model is 25mm wide, with a 55mm or 66mm outside diameter according to shaft size. Match the exact shaft diameter, available clearance and required alloy before ordering.\u003c\/p\u003e\n\n\u003ch4\u003eWhat Is This Shaft Anode Used For?\u003c\/h4\u003e\n\n\u003cp\u003eThe two-piece collar clamps directly around an exposed propeller shaft. With clean, direct metal-to-metal contact, the anode becomes part of the vessel's cathodic-protection system and is consumed in preference to the shaft and other electrically connected underwater metal components.\u003c\/p\u003e\n\n\u003cp\u003eThe NACA profile gives the collar a streamlined external form, but it does not remove the need to confirm the exact internal bore, axial space and rotational clearance.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Tecnoseal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct category:\u003c\/strong\u003e NACA-profile marine shaft collar anode\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e 00550 to 00557, including alloy-specific suffixes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShaft-size range:\u003c\/strong\u003e 19mm to 35mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable shaft sizes:\u003c\/strong\u003e Nine metric and imperial-equivalent sizes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable alloys:\u003c\/strong\u003e Zinc, aluminium and magnesium\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of variants:\u003c\/strong\u003e 27\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAxial width:\u003c\/strong\u003e 25mm across the range\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutside diameter:\u003c\/strong\u003e 55mm or 66mm, depending on shaft size\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Split collar secured mechanically around the shaft\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Marine propeller shafts with a matching measured diameter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacture:\u003c\/strong\u003e Made in Italy by Tecnoseal\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eCompatible Shaft Sizes and Part Numbers\u003c\/h4\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e19mm \/ 3\/4in:\u003c\/strong\u003e 00550 zinc, 00550AL aluminium or 00550MG magnesium\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e20mm:\u003c\/strong\u003e 00550\/1 zinc, 00550-1AL aluminium or 00550\/1MG magnesium\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e22mm \/ 7\/8in:\u003c\/strong\u003e 00551 zinc, 00551AL aluminium or 00551MG magnesium\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e25mm:\u003c\/strong\u003e 00552 zinc, 00552AL aluminium or 00552MG magnesium\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e25.4mm \/ 1in:\u003c\/strong\u003e 00553 zinc, 00553AL aluminium or 00553MG magnesium\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e28.6mm \/ 1 1\/8in:\u003c\/strong\u003e 00554 zinc, 00554AL aluminium or 00554MG magnesium\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e30mm:\u003c\/strong\u003e 00555 zinc, 00555AL aluminium or 00555MG magnesium\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e31.8mm \/ 1 1\/4in:\u003c\/strong\u003e 00556 zinc, 00556AL aluminium or 00556MG magnesium\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e35mm \/ 1 3\/8in:\u003c\/strong\u003e 00557 zinc, 00557AL aluminium or 00557MG magnesium\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePart-number note:\u003c\/strong\u003e The 20mm aluminium model uses Tecnoseal code 00550-1AL. The corresponding zinc and magnesium models use 00550\/1 and 00550\/1MG.\u003c\/p\u003e\n\n\u003ch4\u003eHow Do I Select the Correct Variant?\u003c\/h4\u003e\n\n\u003cp\u003eMeasure the propeller shaft accurately and select an anode with the same internal diameter. Then confirm the available axial space, finished outside-diameter clearance and required alloy.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExact shaft diameter:\u003c\/strong\u003e Do not substitute a nearby size. A 25mm collar is not suitable for a 25.4mm \/ 1in shaft.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAxial space:\u003c\/strong\u003e Allow at least the specified 25mm collar width, plus suitable installation and service clearance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutside clearance:\u003c\/strong\u003e Models from 19mm to 25.4mm have a 55mm outside diameter. Models from 28.6mm to 35mm have a 66mm outside diameter.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRotational clearance:\u003c\/strong\u003e Confirm that the installed collar clears the stern tube, shaft bracket, hull and nearby fittings throughout shaft rotation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAlloy:\u003c\/strong\u003e Match the vessel manufacturer's cathodic-protection specification and operating water.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eWhich Anode Alloy Should I Choose?\u003c\/h4\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eZinc:\u003c\/strong\u003e A conventional selection for salt-water operation where zinc is specified.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAluminium:\u003c\/strong\u003e Generally selected for salt or brackish water and lower in mass than the equivalent zinc collar.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMagnesium:\u003c\/strong\u003e Generally selected for fresh-water operation and normally unsuitable for prolonged salt-water use because it may be consumed too rapidly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eUse the alloy specified by the vessel, shafting or equipment manufacturer and keep the selection consistent with the existing cathodic-protection system. Water salinity, connected metals, shore-power arrangements and stray-current conditions can affect the correct choice.\u003c\/p\u003e\n\n\u003ch4\u003eInstallation and Maintenance\u003c\/h4\u003e\n\n\u003cp\u003eClean the shaft to bright, bare metal where the anode will sit. Position both halves squarely around the shaft and tighten the fasteners evenly in stages so the collar seats securely without rocking or leaving an uneven gap.\u003c\/p\u003e\n\n\u003cp\u003eDo not apply paint, grease, sealant or insulating compound between the anode and shaft because direct electrical contact is required. After installation, rotate the shaft by hand where safe to confirm clearance around the complete collar.\u003c\/p\u003e\n\n\u003cp\u003eInspect the anode during scheduled servicing and after extended operation in a different water type. Replace it when substantially consumed, cracked, loose or no longer able to clamp securely. Investigate unusually rapid or uneven consumption rather than fitting a larger anode without identifying the cause.\u003c\/p\u003e\n\n\u003ch4\u003eAlloy Standards and Manufacture\u003c\/h4\u003e\n\n\u003cp\u003eTecnoseal manufactures zinc, aluminium and magnesium sacrificial anodes at its foundry in Grosseto, Tuscany. Alloy composition is checked using scheduled spectrometric measurements against the applicable material specification:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eZinc alloy:\u003c\/strong\u003e US Mil Spec A-18001K\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAluminium alloy:\u003c\/strong\u003e US Mil Spec A24779 SH\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMagnesium alloy:\u003c\/strong\u003e US Mil Spec A21412 SH\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWhat does NACA profile mean?\u003c\/strong\u003e It identifies the streamlined external form used by this Tecnoseal shaft-collar series. The exact shaft bore and outside clearance must still be checked.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCan I fit a 25mm collar to a 25.4mm \/ 1in shaft?\u003c\/strong\u003e No. These are separate variants and the internal diameter must match the shaft.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIs a 20mm version available?\u003c\/strong\u003e Yes. Select 00550\/1 zinc, 00550-1AL aluminium or 00550\/1MG magnesium.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAre all variants the same outside diameter?\u003c\/strong\u003e No. The 19mm to 25.4mm models are 55mm outside diameter; the 28.6mm to 35mm models are 66mm.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAre the fixing fasteners included?\u003c\/strong\u003e Do not assume hardware is included unless the selected product offer specifically states this. Use the correct serviceable fasteners for the model.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCan different anode alloys be mixed on the same vessel?\u003c\/strong\u003e Do not change or mix alloys without checking the vessel or equipment manufacturer's cathodic-protection specification.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWhy do equivalent alloy variants have different weights?\u003c\/strong\u003e Zinc, aluminium and magnesium have different densities, although matching base-model variants share the same nominal geometry.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCan the anode be painted?\u003c\/strong\u003e No. Keep the sacrificial surface and shaft-contact faces free from paint and insulating coatings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\n\u003cdiv style=\"width:100%;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\n  \u003ctable class=\"spec-table\" style=\"width:100%;min-width:4300px;border-collapse:collapse;font-family:Roboto, Arial, sans-serif;background:#ffffff;text-align:center;white-space:nowrap;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"background:#f5f5f5;\"\u003e\n        \u003cth rowspan=\"2\" style=\"border:1px solid #ddd;padding:8px;text-align:center;font-weight:500;\"\u003eSpecification\u003c\/th\u003e\n        \u003cth colspan=\"9\" style=\"border:1px solid #ddd;padding:8px;text-align:center;font-weight:500;\"\u003eZinc Variants\u003c\/th\u003e\n\u003cth colspan=\"9\" style=\"border:1px solid #ddd;padding:8px;text-align:center;font-weight:500;\"\u003eAluminium Variants\u003c\/th\u003e\n\u003cth colspan=\"9\" style=\"border:1px solid #ddd;padding:8px;text-align:center;font-weight:500;\"\u003eMagnesium Variants\u003c\/th\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background:#f5f5f5;\"\u003e\n        \u003cth style=\"border:1px solid #ddd;padding:8px;text-align:center;font-weight:500;\"\u003e00550\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;text-align:center;font-weight:500;\"\u003e00550\/1\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;text-align:center;font-weight:500;\"\u003e00551\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;text-align:center;font-weight:500;\"\u003e00552\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;text-align:center;font-weight:500;\"\u003e00553\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;text-align:center;font-weight:500;\"\u003e00554\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;text-align:center;font-weight:500;\"\u003e00555\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;text-align:center;font-weight:500;\"\u003e00556\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;text-align:center;font-weight:500;\"\u003e00557\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;text-align:center;font-weight:500;\"\u003e00550AL\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;text-align:center;font-weight:500;\"\u003e00550-1AL\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;text-align:center;font-weight:500;\"\u003e00551AL\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;text-align:center;font-weight:500;\"\u003e00552AL\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;text-align:center;font-weight:500;\"\u003e00553AL\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;text-align:center;font-weight:500;\"\u003e00554AL\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;text-align:center;font-weight:500;\"\u003e00555AL\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;text-align:center;font-weight:500;\"\u003e00556AL\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;text-align:center;font-weight:500;\"\u003e00557AL\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;text-align:center;font-weight:500;\"\u003e00550MG\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;text-align:center;font-weight:500;\"\u003e00550\/1MG\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;text-align:center;font-weight:500;\"\u003e00551MG\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;text-align:center;font-weight:500;\"\u003e00552MG\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;text-align:center;font-weight:500;\"\u003e00553MG\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;text-align:center;font-weight:500;\"\u003e00554MG\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;text-align:center;font-weight:500;\"\u003e00555MG\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;text-align:center;font-weight:500;\"\u003e00556MG\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;text-align:center;font-weight:500;\"\u003e00557MG\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eMarine Scene SKU\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eTS-00550\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eTS-00550\/1\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eTS-00551\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eTS-00552\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eTS-00553\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eTS-00554\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eTS-00555\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eTS-00556\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eTS-00557\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eTS-00550AL\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eTS-00550-1AL\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eTS-00551AL\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eTS-00552AL\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eTS-00553AL\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eTS-00554AL\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eTS-00555AL\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eTS-00556AL\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eTS-00557AL\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eTS-00550MG\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eTS-00550\/1MG\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eTS-00551MG\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eTS-00552MG\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eTS-00553MG\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eTS-00554MG\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eTS-00555MG\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eTS-00556MG\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eTS-00557MG\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eAnode alloy\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eZinc\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eZinc\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eZinc\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eZinc\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eZinc\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eZinc\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eZinc\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eZinc\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eZinc\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eAluminium\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eAluminium\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eAluminium\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eAluminium\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eAluminium\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eAluminium\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eAluminium\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eAluminium\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eAluminium\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eMagnesium\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eMagnesium\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eMagnesium\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eMagnesium\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eMagnesium\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eMagnesium\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eMagnesium\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eMagnesium\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eMagnesium\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eTypical water-selection guide\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eSalt water\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eSalt water\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eSalt water\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eSalt water\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eSalt water\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eSalt water\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eSalt water\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eSalt water\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eSalt water\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eSalt or brackish water\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eSalt or brackish water\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eSalt or brackish water\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eSalt or brackish water\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eSalt or brackish water\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eSalt or brackish water\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eSalt or brackish water\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eSalt or brackish water\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eSalt or brackish water\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eFresh water\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eFresh water\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eFresh water\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eFresh water\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eFresh water\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eFresh water\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eFresh water\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eFresh water\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eFresh water\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eShaft \/ internal diameter (Ø1)\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e19mm \/ 0.75in\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e20mm \/ 0.79in\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e22mm \/ 0.87in\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25mm \/ 0.98in\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25.4mm \/ 1.00in\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e28.6mm \/ 1.13in\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e30mm \/ 1.18in\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e31.8mm \/ 1.25in\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e35mm \/ 1.38in\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e19mm \/ 0.75in\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e20mm \/ 0.79in\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e22mm \/ 0.87in\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25mm \/ 0.98in\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25.4mm \/ 1.00in\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e28.6mm \/ 1.13in\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e30mm \/ 1.18in\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e31.8mm \/ 1.25in\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e35mm \/ 1.38in\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e19mm \/ 0.75in\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e20mm \/ 0.79in\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e22mm \/ 0.87in\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25mm \/ 0.98in\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25.4mm \/ 1.00in\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e28.6mm \/ 1.13in\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e30mm \/ 1.18in\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e31.8mm \/ 1.25in\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e35mm \/ 1.38in\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eAxial width (h)\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e25mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eOutside diameter (Ø)\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e55mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e55mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e55mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e55mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e55mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e66mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e66mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e66mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e66mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e55mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e55mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e55mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e55mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e55mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e66mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e66mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e66mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e66mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e55mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e55mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e55mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e55mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e55mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e66mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e66mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e66mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e66mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eApprox. anode weight\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e0.260kg\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e0.248kg\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e0.244kg\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e0.220kg\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e0.290kg\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e0.270kg\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e0.270kg\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e0.260kg\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e0.230kg\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e0.098kg\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e0.095kg\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e0.091kg\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e0.090kg\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e0.120kg\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e0.110kg\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e0.100kg\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e0.100kg\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e0.089kg\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e0.066kg\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e0.060kg\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e0.062kg\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e0.070kg\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e0.080kg\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e0.068kg\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e0.080kg\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e0.070kg\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003e0.060kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eAlloy specification\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eUS Mil Spec A-18001K\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eUS Mil Spec A-18001K\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eUS Mil Spec A-18001K\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eUS Mil Spec A-18001K\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eUS Mil Spec A-18001K\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eUS Mil Spec A-18001K\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eUS Mil Spec A-18001K\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eUS Mil Spec A-18001K\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eUS Mil Spec A-18001K\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eUS Mil Spec A24779 SH\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eUS Mil Spec A24779 SH\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eUS Mil Spec A24779 SH\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eUS Mil Spec A24779 SH\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eUS Mil Spec A24779 SH\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eUS Mil Spec A24779 SH\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eUS Mil Spec A24779 SH\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eUS Mil Spec A24779 SH\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eUS Mil Spec A24779 SH\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eUS Mil Spec A21412 SH\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eUS Mil Spec A21412 SH\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eUS Mil Spec A21412 SH\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eUS Mil Spec A21412 SH\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eUS Mil Spec A21412 SH\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eUS Mil Spec A21412 SH\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eUS Mil Spec A21412 SH\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eUS Mil Spec A21412 SH\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:center;\"\u003eUS Mil Spec A21412 SH\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003c!-- Technical sources checked:\nhttps:\/\/www.tecnoseal.com\/en\/up-to-diameter-35-series-00550_31_51\/\nhttps:\/\/www.tecnoseal.com\/en\/sacrificial-anodes\/\n--\u003e","brand":"Tecnoseal","offers":[{"title":"Zinc \/ 19mm (3\/4\")","offer_id":64668289991033,"sku":"TS-00550","price":6.98,"currency_code":"GBP","in_stock":true},{"title":"Zinc \/ 22mm (7\/8\")","offer_id":64668290023801,"sku":"TS-00551","price":6.98,"currency_code":"GBP","in_stock":true},{"title":"Zinc \/ 25mm (1\")","offer_id":64668290056569,"sku":"TS-00552","price":6.98,"currency_code":"GBP","in_stock":true},{"title":"Zinc \/ 25.4mm (1\")","offer_id":64668290089337,"sku":"TS-00553","price":6.98,"currency_code":"GBP","in_stock":true},{"title":"Zinc \/ 28.60mm (1 1\/8\")","offer_id":64668290122105,"sku":"TS-00554","price":6.98,"currency_code":"GBP","in_stock":true},{"title":"Zinc \/ 30mm (1 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1\/8\")","offer_id":64668394094969,"sku":"TS-00554AL","price":8.98,"currency_code":"GBP","in_stock":true},{"title":"Aluminium \/ 30mm (1 3\/16\")","offer_id":64668394127737,"sku":"TS-00555AL","price":8.98,"currency_code":"GBP","in_stock":true},{"title":"Aluminium \/ 31.8mm (1 1\/4\")","offer_id":64668394160505,"sku":"TS-00556AL","price":10.98,"currency_code":"GBP","in_stock":true},{"title":"Aluminium \/ 35mm (1 3\/8\")","offer_id":64668394193273,"sku":"TS-00557AL","price":11.98,"currency_code":"GBP","in_stock":true},{"title":"Magnesium \/ 25mm (1\")","offer_id":64668394291577,"sku":"TS-00552MG","price":8.98,"currency_code":"GBP","in_stock":true},{"title":"Magnesium \/ 25.4mm (1\")","offer_id":64668394324345,"sku":"TS-00553MG","price":8.98,"currency_code":"GBP","in_stock":true},{"title":"Magnesium \/ 30mm (1 3\/16\")","offer_id":64668394389881,"sku":"TS-00555MG","price":8.98,"currency_code":"GBP","in_stock":true},{"title":"Magnesium \/ 31.8mm (1 1\/4\")","offer_id":64668394422649,"sku":"TS-00556MG","price":13.98,"currency_code":"GBP","in_stock":true},{"title":"Magnesium \/ 35mm (1 3\/8\")","offer_id":64668394455417,"sku":"TS-00557MG","price":13.98,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0773\/6151\/2725\/files\/0012269_00550al_0529b807-fdb5-4087-b88f-6b6ab2d01e01.png?v=1789982836","url":"https:\/\/marinescene.co.uk\/products\/tecnoseal-00550-series-shaft-collar-anode","provider":"Marine Scene","version":"1.0","type":"link"}