Hand Grip Strengthener, Finger Gripper, Hand Grippers – Hand Exerciser for Quickly Increasing Wrist Forearm and Finger (Black) Made with highest quality materials available. – Fits conveniently in your pocket, purse or gym bag. – Comfortable anti-slip handles. Fits large and small hands. – Hand grip strength is important for any sport in which the hands are used for catching, throwing, or lifting. Rehabilitate and relieve pain using the hand strengthener.