Simply choose your preferred mounting location and the possibilities become endless with the RAP-B-138U. Rubber ball and socket technology allows for almost infinite adjustment and perfect viewing angles. High quality materials insure your device is safe, secure, and within easy reach. RAM''s patented design also dampens shock and vibration helping to extend the life of your device. This mount is designed to be 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. The base has a 1.0" diameter Rubber Ball connected at right angles to a 2.5" diameter Plate. The plate has 4 holes that match the universal AMPS hole pattern.