2 inch Zinc Streamlined Shaft Anode | Martyr CMX09

2 in. streamlined inboard propeller shaft anode Zinc alloy for boats in salt water environments Martyr anodes are made of a high purity specialized alloy based on the US Mil Spec Secures to prop shaft with 2 interlocking halves and allen head bolts with bolt retaining washers 2 in. inside diameter 3.6 in. outside diameter 2.9 in. height