Ideal for everyone: The forearm grip strength trainer is ideal for improving strength, power and speed in the wrists, fingers and forearms. The best choice for climbers, tennis players, athletes, golfers and musicians to improve the flexibility of fingers and wrists.Suitable for rehabilitation in the event of injury: Daily hand training with this hand trainer is also ideal for rehabilitation. If you suffer from rheumatoid arthritis, arthropathy, tendonitis, cardan tunnel or tennis elbow and are on the path of recovery from a broken wrist or tendon surgery, then this is the perfect trainer for you.Comfortable and durable: thanks to the ergonomic and soft grip of the hand trainer for improving strength it is comfortable in the hand. Suitable for small and large hands, seniors and teenagers. The resistance of the hand trainer can be easily adjusted from 22 to 88 kg, ideal for men and women of different strength. You can use the hand trainer anywhere, anytime, super easy to use Hand trainer for increasing strength, underarm grip exercise set pack of 5. Includes an adjustable hand trainer to increase strength, a finger training device, a resistance chain band for the finger stretcher, a grip ring to increase hand strength, a stress relief grip ball. Helps strengthen and train your hand, fingers, wrist, elbows and forearms.- We provide you with a professional guide poster and educational videos. - Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.