The RAM-B-224-1U, composite twist lock mount consists of a 3.25" rubber base that has a is connected to the (RAM-B-238U), diamond base with 1" rubber ball. The suction cup is designed to have an extra strong hold on any smooth non-porous surface, but for best result, mount the suction cup on a glass or non-porous plastic surface.

Material:
High Strength Composite

Ball Size:
1" Rubber Ball "B" Size