R-7 S Hull/Rudder Single round Plate Zinc Anode 6 *Best Seller*1/2" dia

Thickness: 13/16"Diameter: 6 1/2"Weight: 4.85 lbs Whether your boat is sailing in either fresh or sea water is inevitably exposed to the hazards of corrosion. All coupled rudder zinc anodes include copper contacts for permanent ground and stainless screws with washer retainers. Our hull & rudder zinc anodes weigh more than the competition, due to their higher quality and perform their cathodic protection job better.