Camp #31427 Mercury Outdrive Anode. Made of zinc. Manufactured to conform to the Mil-A-18001 standard. Always check propeller clearance after installing new trim tab anodes.

Camp Company is a manufacturer of marine anodes. Their zinc and aluminum sacrificial anodes are manufactured in the US to ensure the highest quality of corrosion protection. They are manufactured for use on Recreational, Commercial and Military vessels, placed on hulls, propeller shafts, rudders, trim tabs, outboard engines, stern drives, and in the cooling system of most inboard engines to protect metal parts from galvanic corrosion.