Martyr Anodes provide low cost marine cathodic protection for boats, marine structures and boat equipment. Often called "Boat Zincs”, Martyr Anodes are made of a specialized alloy based on the US Mil Spec using only high purity metals. Martyr is the only manufacturer that offers all three alloys that protect your boat from corrosion that can occur in salt water, brackish water and fresh water. Martyr anodes are pressure diecast and manufactured to strict quality standards through an ISO 9001 Quality Management system and are guaranteed to be manufactured to US Military Alloy Specifications. Martyr manufactures sacrificial zinc anodes, aluminum anodes, and magnesium anodes, all of which are proven to prevent boat corrosion that leads to pitting to the hull plate, rudders, and bilge keels. Martyr anodes also protect propellers, shafts, shaft brackets, stern tubes, engines and rudders. Martyr provides anode kits that include all installation hardware and instructions. For more information visit www.martyranodes.com.

0. Not recommended for Use in salt or brackish water. Only alloy Proven to protect in fresh water. Magnesium alloy for Use only in fresh water. Martyr Anodes offer maximum protection by maintaining quality alloys, free from impurities like iron, which can compromise performance.

Date First Available: February 19, 2009. Best Sellers Rank: #17,718 in Sports & Outdoors. Customer Reviews: 4.7 out of 5 stars 253 ratings 4.7 out of 5 stars. : B001TIUKYS. Sport Type: ?Boating. Size: ?1 inch ID. Included Components: ?Anode. Style: ?Magnesium. Part Number: ?CMX03M. Manufacturer: ?Martyr Anodes. Suggested Users: ?unisex-adult. Material: ?Other. Color: ?One. Model Name: ?Anode. Warranty Description: ?Manufacturer. Brand Name: ?Martyr Anodes. Item Weight: ?0.01 Ounces. Item Dimensions LxWxH: ?2.2 x 2.2 x 2.1 inches. Package Weight: ?0.1 Kilograms. Item Package Dimensions L x W x H: ?8.43 x 3.31 x 2.99 inches.