Product Name: Plastic Spring-grip Pinch Meter Size: 12cm*8cm*3cm Material: plastic+spring steel wire Color: by random Quantity: 1Pc Package Included: 1*Hand Gripper Increasing strength in your hands and forearms will increase the strength of your forearm as well as the strength of your grip, allowing you to perform more repetitions and beat records at the gym or at home. People usually overlook the importance of having strong fore arms as they are crucial to be able to lift weights or perform activities that involve the forearms easily, then consistent use of a hand grip strengthener will increase your forearm muscularity Every Day Heavy Hand Grippers Grips Strengthener Made from High Grade Solid Steel PAIR Heavy Duty Resistance Spring added Plastic Handles for Comfortable Grip