Product Description Size: 7.0 cm * 6.0 cm * 7.0 cm Color: purple Material: ABS Package content Packaging: 1 * wrist ball 1 【Forearm Strengthening Ball】Very popular wrist strengthening ball the durability of the grip, wrist and other better weapons. It can promote blood circulation and strengthen the ligaments of the wrists to reduce injuries. It's a very interesting feeling that definitely hurts. Forearm and bruising. 2. 【Good for health】Relieves wrist pain, humerus fracture, scaphoid fracture, head fracture, numbness in fingers, numbness in hands, broken wrist, elbow inflammation, bone fractures and olecranon bursitis. Increases strength in fingers, wrists, hands, forearms, biceps, triceps, ligaments and shoulders. 3. 【More suitable; & a grave; Sports Training & Agrave; Wrist Training】Very useful grip strength trainer for golf, tennis, climbing, cycling, basketball, cricket, martial arts and with improved game performance for pianists, drummers and guitarists. 4. 【Motor skills】This really requires some motor skills. good to use. The dominant hand/arm can easily hold the gyroscope & agrave; hand to help you & agrave; Refine your motor skills in this non-dominant hand/arm.

Material:ABS