New Adjustable 40KG Forearm Exerciser Heavy Grip Hand Grippers Strength Training Power Lifting Adjustable hand grips where you can now adjust the strength tension from 5kg - 40kg. An excellent training tool that strengthens the hands, wrist & forearm. Free to adjust the grip size. High quality steel, not rusting. TPR handle, good elasticity, prevent slippery design. Package Content:1 x Hand Grippers