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

Magnesium Collar  Anode for 1" propeller shaft

Length is 25mm and largest diameter is 55mm

The 2 bolts for securing the anode to the propeller shaft are supplied.

For use in freshwater