Use between your Anchor Caddie and the bow of your boat, you can protect the finish of your boat while muffling the vibrations as well. Made of 1/8" Rubber Mount between you Anchor Caddie and your bow Useful for installation on aluminum boats Can be trimmed for use with the Cadet Pre-drilled 5 holes to work with Anchor Caddie and the Cadets predrilled Backing Plates and Caddies