Hand grip drive device with counting function: The hand grip strengthen adds a mechanical counter to the bottom.the flexibility of your wrists, hands and forearms.You can exercise your hands at the same time or start exercising with your family. Adjustable Resistance Hand Grip: the Hand Strengthening Exerciser can be set from 10 to 60 kg, perfect for men and women of different strengths and for rock climbers, tennis players, athletes and music desiens improve flexibility of fingers and wrists. Injury Rehabilitation: Exercise with this daily grip trainer helps repair hand injuries, rheumatoid arthritis, arthritis, carpal tunnel, tenosynovitis, tenosynovitis Quickly strengthen the target muscle without injury, it is the perfect tool for post-operative rehabilitation Broad range of use : Temporarily relieve stress to increase forearm strength and hand strength. The hand grip is a forearm trainer for fitness, movement, climbing, bouldering, tennis, boxing, rehabilitation, guitar, etc. Your price will no longer generalize your progress in the gym. [Ergonomic Handle]: Ergonomically shaped trainer handle is especially comfortable and safe in the hand.Is a perfect grip training equipment for all age groups and fitness levels. Color: Black Size: as shown in the picture Shipping quantity: 1