Specification: Product Name: Finger Exerciser Material: Silicone Resistant level: 6.6LB, 8.8LB, 11LB, 13LB, 17LB, 21LB Color: black;gray Packing List: Finger Exerciser*1 Wrist Strap*1 Features: (1) Ideal For Sports Lovers The Finger Strengthener can improve the finger strength of athletes (rock climbing, fitness, tennis, baseball, boxing) and musicians (guitar, bass, pianist, and violinist) and daily housework ( driving, typing, writing, working, etc.). (2) 6 Resistant Levels to Choose from Silicone Guitar Finger Exerciser provides you with 6 levels of resistant 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 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, anywhere with the Finger Extensor Exerciser. (5) Physical Therapy & Rehabilitation Hand workout equipment for arthritis, stroke rehab, carpal tunnel, tenosynovitis, fractured, tendon surgery and tennis elbow, reduce stiffness and pain. (6) Athletes & Musical Instruments The grip strength trainer kit is works for improving power and flexibility in the wrists, fingers, and forearms. Gifts for rock climbers, Tennis players, Guitar, Piano, Drummers & Musicians. (7) Durable & Ergonomic Design: Adjustable hand extensor exerciser can be worn comfortably by any size wrists and finger, Suitable for finger workout habits. Suitable for Teens and adults. Note: Due to the lighting effects and shooting angles, there is a color difference in the product, please understand. "