Rolyan Reach ’N Range Overhead PulleyUnit : Each Simple to use for rebuilding muscles and increasing range of motion. Dual overhead pulley offers extra stability and can be used with weights on one handle to counterbalance the strength of the opposite extremity. Weights (not included) can be added as strength improves. Overhead system positions the patient away from the door, allowing more free range of motion patterns, such as PNF patterns. Appropriate for home and clinic use.