The RAM-B-347U base consists of a B size 2.54cm (1″) diameter rubber ball connected to a 5.08 cm (2″) X 4.32 cm (1.7″) square base. The base has four pre-drilled holes at each corner, using the universal AMPS hole pattern. Features 5.08cm (2″) x 4.32cm (1.7″) square ball base features industry-standard AMPS hole pattern with four pre-drilled holes at each corner Included B size 2.54cm (1″) RAM® rubber ball allows for connection to any B size RAM® double socket arm; ball and socket technology allows for near-infinite adjustability Made of powder-coated, marine-grade aluminum for durability and reliability in the most demanding environments Backed by a lifetime warranty
