The locking base with an 83 mm thick rubber suction cup has a standard double diamond hole in the shape of a diamond. The suction cup is designed to provide extra strong hold on any smooth surface, but for the best result, attach the suction cup on the glass surface. The end in the shape of a diamond has two holes 49 mm from center to center. This will connect to the RAM-B-238 Diamond Plates Series, a universal pattern of AMPS holes in the industry or directly from the back of the composite RAM handles. This suction base does NOT have a rubber connection ball or a RAM. Two self-winder bolts are supplied with the base of the suction cups. It does not contain a diamond connector. To order a suction pump with a diamond connector.
High-tenacity composite with rubber cup
The suction base must be clean and dry when the suction base is fixed, as is the surface to which it is attached.
The alternative method is to attach the RAP-350 self-adhesive pad to the dashboard area and attach the suction base to the dashboard.