RAM Mounts Double Socket Arm with Diamond Ball Plate and Short Arm

The Double Socket Arm with Diamond Ball Plate and Short Arm from RAM Mounts has a 1.5"-diameter ball and socket system with one open socket end designed to be used with any of the C-size RAM Mount bases or cradles with a 1.5" diameter rubber ball. The RAM-238U RAM Diamond Ball Base is a 3.56" end-to-end short-length arm with 2.5" socket-to-socket length. The 2.43 x 1.31" top plate features industry standard AMPS 2-hole pattern and can be used as an adapter to attach a holder or as a mounting drill-down base.