The best adductor available. Quadra-pivot positioning allows pad position adjustment in 3 planes and 6 directions. Comes standard with 3" x 4" GEL pad that provides pressure distribution protecting sensitive skin in comfort. Leg clamps with serrations and set screws provides the strongest grip on the leg rest tube, preventing twisting. With tightening screws and set screws on all joints, the pad is easy to get in the right place, and Sta-Rite™ where you put it.