Martyr Streamlined Shaft Anode. Zinc. 1″ – X03 come with stainless steel socket cap screws, included. These anodes are direct replacements for Inboard engines and meet or exceed specified requirements of specification MIL-A-18001, the accepted authority used by governments of both Canada and the U.S. Zinc content is 99.995%.
- Interlocking halves
- Full shaft contact (100% circular radius)
- Extra alloy around the fastener
- Easy installation underwater
- Bolt retaining washers prevent anode from falling off.