Imperial shaft sizes. come complete with s/s bolts and nuts to fasten to your shaft (slot head)
Martyr anodes are pressure diecast and manufactured to strict quality standards through an ISO9001 Quality Management System.
In addition, each alloy is guaranteed to be manufactured to the latest US Military Alloy specification and is chemically tested regularly in Martyr's in-house labs to ensure consistency.
Composition Zinc Alloy
Australia's largest marine accessories retailer. Serving boat owners since 1962. With sixteen big supermarkets and mail order departments Australia wide Whitworths Marine & Leisure offers the best service, convenient locations, a huge selection of quality products, and unbeatable prices.