Ram Mounts RAM-B-273U Ball Accessory Base Adapter for B-Size Socket Arm

The ideal accessory if you are looking to mount more than one device but cannot locate multiple mounting points on your motorcycle or vehicle. Connects another device to existing RAM Mount. Includes 1in. ball connecting to a 1/4in.-20 threaded stud with a length of 1.6in. Threads on this ball replace the bolt in any B-size socket arm, and the ball connects to middle of socket arm on the opposite side of the tightening knob. NOTE: Socket arm assembly not included..