Features:Adopting the stainless steel spring and strengthened ABS new material makes it durableErgonomically sculpted handles with soft synthetic rubber inserts ensure a comfortable gripAllows you to adjust tension from 10-40 kgArthritis， Carpal Tunnel， Tennis Elbow and Those Recovering From a Broken Wrist and Tendon SurgerySuitable for anyone who requires to build up hand and forearm strengthOffers easy adjustment to suit your desired exercise and allows you to increase as your strength developsAn excellent training tool that strengthens the hands， wrist & forearmHigh quality steel， not rustingTPR handle， good elasticity， prevent slippery design Color: Orange Grey Silver Green (we send the item by color random）Package included1 x Forearm Trainer Hand Grip Muscle Gym Home Workout Hands Exercise Keep Fit