Specification: Size: Adjustable handle: 11*15*2cm Adjustable finger strength: 9*7.5*2.2cm Five finger circle: 7*7*3.8cm Egg ball handle: 5.8*4.1cm Bump Finger Power Circle: 6.8cm Color: Black Material: PP, TPR, ABS, Silicone, TPE, Package Contents: Adjustable Grip * 1 Adjustable Finger Power * 1 Five Finger Circle * 1 Egg Ball Grip * 1 Bump Finger Power Circle * 1 Suitable for Everyone The grip trainer wrist training set is perfect for improving strength, power and speed in the wrists, fingers and forearms. A hands down best choice for climbers, tennis players, athletes and musicians to improve finger and wrist flexibility. Comfortable and DurableThe ergonomic and soft handle of the hand grip enhancer is not only suitable for small and large hands, seniors and teenagers, but also ensures comfortable holding. The resistance of the hand grip booster is perfect for both men and women of different strength. Injury RehabilitationDaily use of this grip strength trainer is beneficial for recovery from hand injuries, rheumatoid arthritis, arthritis, carpal tunnel, tendovaginitis, fractures, broken wrists and tendon surgery. Hand Grip Strengthener Forearm Grip Exercise SetHand grip strengthening kit includes adjustable hand grip strengthener, finger exerciser, finger stretcher resistance band, hand grip ring and stress relief grip ball to strengthen and exercise your hand, fingers, wrist, elbows and forearms be able. Safe, Non-Toxic, DurableMade of premium soft silicone to ensure optimal workout. Perfect for anyone wanting to exercise fingers, hands and wrists and relieve stress. Pleasant to the touch, suitable for squeezing, massaging and strengthening muscles.