A foam rubber backing pad to sit between anodes and wooden hulls. Note the picture may show various types and sizes of backing pad, this listing is for the pear shaped backing pad only.
MGDUFF ZD58KIT Zinc Disc Hull Anode 2.2kg Backing Pad, Nut & Washer, Please note image may be of a smaller anode however this item is 2.2KG and is 150mm in diameter.