Handle Reinforcement 1. The forearm grip is ideal for increasing finger flexibility. It will recruit and work the muscles in your forearm, wrist, hand and fingers. 2. The grip strengthener is ideal for rehabilitation, recovery and stress relief. 3. Ideal for athletes and musicians. Also suitable for people suffering from arthritis or who have undergone wrist or tendon surgery. 4. Comfortable and easily adjustable ergonomic handle, with highly elastic stainless steel spring. 5. Light weight, easy to carry and store. Product Details: Stainless Steel Spring - Hand pliers use high quality stainless steel spring, durable and long lasting . Adjustable Knob - The adjustable hand gripper is constructed with a resistance adjustable knob. Force Range - Range from 5-60 kg (22-132 Lbs), increase resistance as your strength develops. Rubber Covered Handle - The handle is covered with TPR, soft and comfortable. Specification: Material : stainless steel and rubber Resistance range: 22-132 Lbs (10-60 kg) What you get: 1 x Handle Reinforcement Note: The data are all measured manually, Please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.