features 1. Reliable Elasticity: The finger exerciser is made of high-quality silicone, soft and reliable, sturdy and durable, with good elasticity and flexibility, not easy to break or fade, suitable for most people. 2. IDEAL FOR SPORTS LOVERS: Finger strengtheners can improve athletes (rock climbing, fitness, tennis, baseball, boxing) and musicians (guitar, bass, pianist and violinist) and everyday household chores (driving, typing, writing, working) finger strength, etc.). 3. PORTABLE AND LIGHTWEIGHT DESIGN: The finger trainer is small and light enough to fit in your gym bag or pocket. You can enjoy exercising at work or leisure. Exercise your hands anytime, anywhere with the finger extensor exerciser. 4. 6 Resistance Levels to Choose from: The silicone guitar finger exerciser provides you with 6 resistance levels, including 6.6LB, 8.8LB, 11LB, 13LB, 17LB and 21LB. 5. Easy to operate: Whether it is a beginner or an experienced person, the hand strengthener is easy to use. You simply slip the bracelet around your wrist, insert your fingers into the loops, and start exercising. Specification Material: Silicone Color: black, gray Package size: 12 10 3 cm Weight: 38 grams Package contains: 1 finger strengthener