Silicone Hand Grip TrainerThis hand exercise ring is made from premium silicone, suitable for squeeze, stretch and pull with no odor, no stains, no edges, no noise. This ring will strengthen your wrists, improve the dexterity of your fingers and increase the strength your hands can apply while reducing fatigue. Its rally value is from 30 to 50 lb. Help balance your grip muscles and your expanding muscles. Perfect for rehabilitation therapy, fitness and relaxation, more forearm