RAM MOUNTS Marine Grade Aluminum Base. 1.5" diameter rubber ball connected to a flat rectangular 2.81" x 5" plate. Fits to bottom of most Gamber docks.

RAM MOUNTS Marine Grade Aluminum Base. 1.5" diameter rubber ball connected to a flat rectangular 2.81" x 5" plate. Fits to bottom of most Gamber docks.

RAM-243U$27.99