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 Zimar hull & rudder zinc anodes include copper contacts for permanent ground and stainless screws with washer retainers.

Zimar hull & rudder zinc anodes weigh more than the competition, due to their higher quality and perform their cathodic protection job better.

Zimar hull & rudder zincs meet the standards set forth by Mil-Spec A-18001, Mil-Spec A-18001A, and Mil-Spec A-18001K.

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