Specification: Product Name: Finger Exerciser Material: Silicone Resistant level: 6.6LB, 8.8LB, 11LB, 13LB, 17LB, 21LB Color: black gray Packing List: Finger Exerciserx1 Wrist Strapx1 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 and Rehabilitation Hand workout equipment for arthritis, stroke rehab, carpal tunnel, tenosynovitis, fractured, tendon surgery and tennis elbow, reduce stiffness and pain. (6) Athletes and 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 and Musicians. (7) Durable and 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.