Manufactured to US military specification A-21412(SH) by Tecnoseal in Italy, one of the worlds leading suppliers of sacrificial anodes for cathodic protection in the leisure boat market

 For use in freshwater

92mm  diameter and maximum streamlined thickness of 13mm

Supplied with a bolt which permits a maximum rudder thickness of 19mm

Designed to be bolted through rudders or trim tabs, the discs can also be used separately.

Weight 180g for both discs