RAM RAM-138U - mounting component

The RAM-138, flat surface mount, is a 1.5-inch patented rubber ball and socket system with a 2.5-inch round base and universal diamond base. The hole pattern found on the diamond base will connect to a large variety of third party cradles and mounts including mounts with the industry standard AMPS hole pattern. Adjustment points are found at both bases, with a twist of the arm knob, you can move the diamond base end to your optimum viewing position.