CURRENT DESIGN, EASY TO USE, MEET VARIOUS TRAINING NEEDS: The FitBeast hand trainer adopts a force adjustment knob, making the adjustment noiseless, comfortable and smooth. It comes with different grip levels from 40LBS60LBS 80LBS 100LBS, which can suit different grip training and solve the problem of hands and forearms. . ALUMINUM HANDLE, STEEL SPRING: makes the hand muscle trainer stronger and more durable, harder to break: The handle (length 10cm) is made of aluminum, which is not easy to rust. The steel spring makes the gripper stronger and more durable. The diamond handle design ensures anti-slip and does not hurt your hand. Besides, non-slip NBR gloves will make your training more comfortable. . EASY TO CARRY, EASY TO USE WILL BE YOUR GOOD HELP IN TRAINING YOUR HAND: The FitBeast forearm trainer is easy to use, comfortable to wear (200g). It is ideal for musicians, guitarists, athletes, golfers, mountain climbers, tennis players and office workers. It is a good choice to train your fingers, wrist, arm flexibility and muscle strength. . SUITABLE FOR IMPROVING HAND STRENGTH AND TREATING HAND INJURIES: Whether you are an athlete or a fitness enthusiast who has strict hand grip requirements, the FitBeast hand exerciser will be a good choice. If your hand is tired or joint pain, the FitBeast hand grip trainer can effectively help relieve hand muscle fatigue and repair hand injuries.