Consists of a 3.3" diameter suction cup twist lock base that 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.
RAM 3.3" Diameter Suction Cup Base with 1" Ball
High Strength Composite and Powder Coated Marine Grade Aluminum
1" Rubber Ball "B" Size
The "U" in the part number reflects product packaged in poly bag.