Anode, Grouper Zinc
Grouper anodes are recommended to supplement anodic protection, and are especially useful in stray current conditions. Clip to bolt on outdrive, transom mount bolt on outboard engine, or grounding strap for underwater metals. Dimensions: 8-1/4"L x 3-1/4"W x 1 3/8"D, with 15' cable and alligator clip. Important: Do not connect to battery