RAM 3.68" Diameter Base w/Ball
The (RAM-240U), marine grade aluminum base, consists of a 1.5" diameter rubber ball connected to a flat 3.68" diameter base. This base has pre-drilled holes that connects to RAM Tough-Dock Powered Docking Stations.
Powder Coated Marine Grade Aluminum
1.5" Rubber Ball Size
The "U" in the part number reflects product packaged in poly bag.