Metal Guide

Al
Suitable for salt & fresh water
Mg
Suitable for fresh water
Zn
Suitable for salt water

Follow our colour coding for easy identification of metals.

Universal zinc pencil anodes and plugs available to suit a wide variety of uses and fit an extensive range of marine engines.

USA type zinc pencils and plugs available from 1/4" UNC to 3/4" UNC for pencils, 1/8" NPT to 3/4" NPT for brass plugs. Different lengths available and popular sizes always in stock.

Made to top US MIL Spec for maximum protection.

If you have a mystery size anode, contact us and we will help you identify it!