Martyr Streamlined Shaft Anode - Zinc, Metric CMX50 50mm

Martyr CMX Shaft Anode is a 2 pieces anode that comes complete with stainless steel hardware including lock washers. It has 3 clever design elements that make it the most successful and popular product in the market, features include interlocking halves (for the best fit); circular inside diameter (ensures a tight fit); extra alloy around the fasteners (stays on longer that standard types).