This set includes set of pneumatic lift assist leg holders, set of pressure management boot pads, and set of siderail clamps. The lift assist leg positioning system is a pneumatic lift assist system. It mimics natural hip motion. The leg holders rotate 120°. The handle controls abduction and adduction. To adjust the lithotomy positioning, simply twist the handle. When the desired position is achieved, just release the handle. This system has a 500 lb. weight capacity. Gel boot pads (sold separately) are also available for this system.