Anode Type ZD56 • Dimensions: Height at centre 25mm, Dia.100mm. Weight: 1kg. - Zinc Anodes should be fitted to all boats, and provide cathodic protection of metals on GRP, wooden and steel boats. If they are working efficiently, they need to be regularly replaced. Anodes must be fitted to each side of a rudder or skeg.
•Zinc alloy with cast mild steel core bar.