Check the listing for details. RAM Mount Aluminum Universal Round Plate Suction Mount RAM-B-166-202U. Condition: New. Listed at 41.99 USD. Manufacturer Description The RAM-B-166-202 Universal Windshield Suction Cup RAM Mount is a Marine Grade Aluminum Mount with a 3.25 inch Locking Suction Base and Round 2.5 inch diameter Plate End. The mount is designed with a RAM 1 inch diameter patented rubber ball and socket system that has adjustment point at the cradle plate and base. With a twist of the arm knob, you can move the universal locking suction base mount to your optimum viewing position. This system is a universal mounting solution for both RAM and non-RAM designed products. The hole pattern found on the 2.5 inch diameter plate will connect to a large variety of third party cradles and mounts. Note: This mount does not require any drilling for installation.