Shaft Anode Zinc 1 1 / 2"

Zinc donut anode for 1½ "diameter propeller shaft to protect it and adjacent parts against galvanic corrosion, with stainless steel head screws, these anodes are direct replacements for internal motors with a 99.995% zinc content and meet or exceed the specified requirements of MIL-A-18001, recognized and used by the governments of Canada and the United States.