specification: Item Type: Hand Grip Ball_x000D_Material: TPR_x000D_Size: Approx. 10 x 8cm / 3.94 x 3.15in _x000D_Function: Grip the ball to relieve pressure and vent feelings_x000D__x000D__x000D_Applicable people:_x000D_1. Hand extensor hallucis longus and finger extensors healthy exercise, prevention and correction of contracture stiffness._x000D_2. Carpal extensor muscle and finger extensor muscle paralysis (radial nerve paralysis)._x000D_3. The dysfunction of fingers and wrists of patients with hemiplegia, and the weakness of fingers and wrists, improve the muscle strength and joint activities of relevant parts through training._x000D_4. Control the increase of flexor muscle tension and atrophy of thenar._x000D_5. Prevent finger flexion and spasm, prevent finger joint deformation and deformity._x000D_6. Correct the fingers while assisting in training the flexibility of the fingers. Features: 1Multiple convex point design, activate acupoints, massage the palm and relieve fatigue. 2Two finger design is not easy to fall, can be divided into finger practice and avoid falling off. 3Soft and comfortable, the surface is fully covered with soft thorns, good for stimulating and exercising the hands. 4Correct the fingers at the same time to assist the training of the dexterity of the fingers. 5Suitable for dysfunction of fingers and wrists in patients with hemiplegia, weakness of fingers and wrists. PackageList: 1 x_x000D__x000D_Hand Grip Ball