Manufactured to US military specification A-24779(SH) by Tecnoseal in Italy, one of the worlds leading suppliers of sacrificial anodes for cathodic protection in the leisure boat market

For Brackish & salt water

47mm  diameter and maximum streamlined thickness of 7mm

Supplied with a bolt which permits a maximum rudder thickness of 15mm

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

Weight 50g for both discs