Bunmo Automatic Wrist Ball Exercise Wrist Muscle Rotation Ball Fitness Strength Training Ball Mute Gravity Exercise Arm Strength Metal Gravity Ball Muscle Strengthening Forearm Exerciser With LED

【GOOD FOR HEALTH】Efficiently rehabilitates wrist pain, humerus fracture, scaphoid fracture, radial head fracture, numbness in fingers, numb hands, fractured wrist, elbow tendonitis, broken bones, olecranon bursitis. Increases strength in fingers, wrists, hands, forearms, biceps, triceps, ligament and shoulders.