Trainer with counter function: The forearm trainer adds a mechanical counter at the bottom. Firmly press the button to automatically count. Note how many times you exercise each time and use it again. Increase the strength and flexibility of your wrists, hands and forearms, simultaneously train your hands or start training with your family. of adjustable resistance: The Strengthening hand trainer can be adjusted from 10 to 60 kg, perfect for men and women of different strengths and for rock climbers, tennis players, athletes and musicians to improve finger flexibility and wrists. Injury Rehabilitation: Daily training with this training device helps to recover from hand injuries, rheumatoid arthritis, arthritis, c carpal, tendinitis, wrist fractures, fractures tendon and operations. Quickly strengthens the target muscle without injury, it is the perfect tool for postoperative rehabilitation Wide range of applications: Temporarily relieve your stress to increase forearm and hand strength. The is a training device for fitness, movement, climbing, bouldering, tennis, boxing, rehabilitation, guitar, etc. Your grip will no longer affect your progress in the gym.