HAND & FINGER STRENGTHENER PACKAGE: Adjustable forearm gripper (10-132 lbs), 3 levels of finger stretcher (13 lbs, 17 lbs, 21 lbs), finger exerciser (4 lbs), squeeze stress ball. Alternating the use of these items can fully exercise the strength and flexibility of the fingers, hands, and forearms. ERGONOMIC DESIGN FOR ALL HANDS: The finger exerciser and hand strengthener is not only suitable for different hand sizes (men and women), but also suitable for various resistance workout levels (seniors, fitness enthusiasts, and hand therapy). Made of high-quality silicone material, our grip strength training set is comfortable and non-slip. GIFTS FOR ATHLETES AND MUSICIANS: Enhance the hand and finger strength of athletes (rock climbers, fitness enthusiasts, GYM, tennis players, baseball players, boxers, golfers, and shooters) and musicians (guitarists, bassists, pianists, and violinists). Experience quick results by using our grip strength training equipment. HAND THERAPY AND REHABILITATION EQUIPMENT: Hand exerciser and finger stretcher is effective in reducing stiffness and pain associated with conditions such as rheumatoid arthritis, carpal tunnel, stroke recovery, tenosynovitis, broken wrists, tendon surgery, and tennis elbow.