The Graham Field 1001P Exercise Pulley Set is a practical and effective rehabilitation device designed to improve shoulder and arm mobility. By utilizing a simple over-the-door mounting system, it allows users to perform gentle stretching and strengthening exercises to loosen muscles and restore range of motion. This lightweight and portable set is ideal for post-surgery recovery, physical therapy at home, or general upper-body conditioning. Its versatile design fits most standard doors up to 2 inches thick and can be used while sitting or standing.