Magic Arm Mounting System Magic Arm Each H 18 HPDF78319
Magic Arm System, The base clamp attaches securely to absolutely anything like wheelchair tubing and tables. The dial on the elbow tightens all three joints, the one on the base, the elbow, and the swap finish. And when its tight, it holds every part in excellent place. This arm is infinitely adjustable, and stays the place you place it.