Power Wrist Strengthening Device Power Wrist Ball Gyro Ball Power Wrist Ball is a fitness device commonly used for wrist strengthening and rehabilitation purposes. Its content includes a mechanism located inside a durable ball, which involves a spinning wheel or a rotor inside the ball. The user strengthens their wrist, hand, and arm muscles by rotating this ball in their hand. The product contains a durable outer shell made of plastic, metal, or lightweight alloys. The internal mechanism includes a spring, bearings, and a rotor. As the user rotates the ball with their wrist, the internal mechanism also spins, working against resistance to strengthen the muscles. This fitness device is typically used to strengthen wrist muscles, increase hand dexterity, and rehabilitate against wrist issues. Users usually have to work against resistance while rotating the ball, creating a muscle-strengthening effect. Package Contents 1 piece wrist strengthening device gyro ball
