Double Socket Arm with Dual Extension & Ball AdapterThe RAM-B-201U, Medium length double socket arm, has a socket at both ends that accommodates B Size 1" balls. A single spring inside the arm, keeps the socket open, allowing you to incert the ball...

Single Socket Arm & 1/4" NPT Female Thread for 1" BallsThe single socket for a B size 1_ ball that has a socket for Octagon Button products. This configuration gives you the ability to interface with the variety of Octagon Button bases, couplers and...