The RAM-B-166-C Universal Long Windshield Suction Cup RAM Mount is a Marine Grade Aluminum Mount with a 3.25 inch Locking Suction Base and Diamond 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 diamond plate will connect to a large variety of third party cradles and mounts.