Optimally sized for medium to large faces

In very soft seabeds

while the non-slip leg openings minimise moisture and ride-up

small mounting footprint and drain holes

30mm Zinc Donut Limited Clearance Anode resin Optimally sized for medium toMartyr 30mm Zinc Euro Style Limited Clearance Donut Shaft Anode CMC30 Internal Diameter 30mm Outside Diameter 60mm 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