Specification: Product Name: Finger Exerciser Material: Silicone Resistance Level: 6.6LB, 8.8LB, 11LB, 13LB, 17LB, 21LB Color: black; gray Packing List: Finger Exerciser*1 Wrist Strap*1 Features: (1) Perfect for Sports Lovers The finger strengthener can improve finger strength for athletes (rock climbing, fitness, tennis, baseball, boxing) and musicians (guitar, bass, pianist, and violinist) and daily household chores (driving, typing, working, etc.). (2) 6 Resistance Levels to Choose From The silicone finger exerciser provides you with 6 levels of resistance levels, including 6.6LB, 8.8LB, 11LB, 13LB, 17LB, and 21LB. You can choose the appropriate level according to your grip strength. (3) High-Quality Material Our finger stretcher is made of high-quality silicone material, which is safe and durable, not easy to tear, and is small enough to fit in your gym bag or pocket and can be used for a long time. (4) Portable and Lightweight Design The finger trainer is small and light enough to fit in your gym bag or pocket. You can enjoy a workout at work or at leisure. Exercise your hands anytime and anywhere with the finger stretcher exerciser. (5) Physical Therapy & Rehabilitation Hand exercise equipment for arthritis, stroke rehab, carpal tunnel syndrome, tenosynovitis, fracture, tendon surgery, and tennis elbow, reducing stiffness and pain. (6) Athletes & Musical Instruments The grip strength trainer kit works to improve power and flexibility in wrists, fingers, and forearms. Gifts for rock climbers, tennis players, guitar, piano, drummers, and musicians. (7) Durable & Ergonomic Design: Adjustable hand stretcher exerciser can be worn comfortably by wrists and fingers of any size, suitable for finger exercise habits. Suitable for teenagers and adults. Note: Due to lighting effects and shooting angles, there is a color difference in the product, please understand.