1" Donut Shaft Anode Zinc Undercoat/Primer used on all top racing

used on all top racing Optimists

final finishing then only requires a top coat

wind-resistant

Removable ankle strap for added support & stiffness

Length: 65mm / 2 9/16"

1" Donut Shaft Anode Zinc Undercoat/Primer used on all top racingMartyr 1" Donut Shaft Anode Zinc CM4 03 Internal Diameter 1" Outside Diameter 2. 7" Easy installation underwater Bolt retaining washers prevent the anode from falling off Full shaft contact: 100% circular radius Interlocking halves Extra alloy around fastener Product Information: For use in salt water Alloy is manufactured to exceed or meet US Military Specification MIL DTL 18001L Tried and tested genuine zinc product Manufactured by the same