New Hand Finger Forearm Wrist Exerciser Grip Strengthener Rehabilitation Therapy 100 Brand new and high quality! This Product particularly for physical exercise,such as baseball,golf,hiking,rock climbing,or performer, playing guitar, piano and other musical instruments to use, handheld This product,fingers aligned with the corresponding product card bit exert efforts to a pressure of a loose dozens of repetitive motion,can effectively promote the finger blood circulation, enhanced finger strength,finger injury rehabilitation,particularly effective. Features: * Strengthen weaker fingers for superior hitting, throwing, and fielding. * Medium tension per finger. * Challenges each finger individually using patented spring-loaded finger piston technology. * Greatly improves hand, wrist, and forearm strength. * Color: Blue. * Material: Hard plastic & Stainless steel * Size: one size fit all Note: * Physical exercise is a suspense into the process,so that should not be too large when using hand pressure degrees should be gradual. * This Product is finger exercise,do not used for other purposes, and do not have the medical effects. * This product should be kept away from children,to prevent children\'s fingers pinch. Package: 1Pc Finger Wrist Exerciser