For hand dysfunction, small hand dysfunction, finger strength and grip strength training. Features: The grip ball enhancer has low strength and good strength; it is durable, and the hand strength training tool has good elasticity, which is convenient for the user's grip and finger movement. Does not fall, great for training. Soft pressing and high elasticity. Equipped with four finger holes, easy to wear. Product Category: Grip Strength: About 5kg Specifications: Four-Finger Massage Tip Ball Name: Sub-finger Prick Grip Ball Applicable Scenarios: Fitness Equipment, Health Massage Rally Category: Grip Ball Choose according to fitness effect: Hand function recovery. Color: Blue Material: TPR Size: 12x10cm Package Contents: 1 x Finger Exerciser