The RAM-B-238U ball base consists of a 1″ B size rubber ball connected to a 2.43″ x 1.31″ diamond plate. The diamond plate features two holes that measure 1.912″ from center to center, matching the industry-standard AMPS hole pattern. This diamond ball base is compatible with a wide variety of RAM device holders and cradles.
Diamond plate features industry-standard AMPS hole pattern and measures 2.43″ x 1.31″, Compatible with several RAM® device holders and cradles; 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