The replaceable pad swivels to allow for self-alignment on uneven surfaces. The replaceable pad fits in a hardened (Rc 58/60) 440C stainless ball cup and is held in place with a lock screw. The pad can be replaced when worn or a different style pad is required. The housing is made from alloy steel, heat treated to Rc 43/46 with a black oxide finish. The parts below are for the Swivot assembly only and do not include a pad. Pads must be ordered separately by selecting any fixed gripper or rest pad with the proper diameter