All round plate Zimar zinc anodes are cast with bolt hole predrilled on center for easy mounting on hull. Zimar round plate zincs meet the standards set forth by Mil-Spec A-18001K, Mil-Spec A-18001A, and Mil-Spec A-18001.
Propeller Depot carries the entire line of round plate zinc anodes, order your round plate zinc anode today and save.