Comfortable and DurableThe grips are ergonomically designed and wrapped with soft materials to make your workouts more comfortable and safe. Adjustable ResistanceAccording to sports needs, the grip strength can be adjusted within the range of 10-40kg, which is very suitable for men and women who want to exercise their grip strength. MultipurposeHand Strengthener Forearm Grips are great for improving wrist, finger and forearm strength, power and speed. Not only is it the best choice for rock climbers, tennis players, athletes and musicians to increase finger and wrist flexibility, but it is also ideal for those recovering from tendinitis, carpal tunnel, wrist fractures and tendon surgery. HIGH QUALITYOur grip strength trainer is made of heavy duty plastic and reinforced metal alloy material, which is high quality and durable. If you have any questions, please contact us and we will solve it for you. Colour: Black Size: as shown Quantity delivered: 2 pieces Warm prompt: 1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering. 2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding 3. Only the above package contents, excluding other products. BAZHOU