B77 - MG Duff B77 Pear Anode Backing Pad

A backing pad for MG Duff ZD77, AD77 and MD77 bolt on pear anodes. The backing pad is designed to stop the back of the anode fromw asting away and potentially causing anode fixings to come loose. Backing pads also provide a barrier, helping to protect GRP hulls from alkalinity that can be produced as part of the cathodic protection process.