Power-Web Hand Exerciser allows the duplication of virtually all joint actions including flexion, extension, opposition, abduction, adduction, pronation
& supination. It measures 35.5cm in diameter & weighs 453gms. Its unique patented design allows a variety of exercises to be performed comfortably and effectively. Constructed of high quality rubber with special agents added for durability & strength, the Power-Web will last for years (with proper use & care).