[Ideal for Sports Enthusiasts] Finger strengtheners can improve athletes (climbing, fitness, tennis, baseball, boxing) and musicians (guitar, bass, pianist, violinist) as well as daily activities (driving, writing, writing , work), finger strength, ETC.). 6 Stamina Levels to Choose from The silicone guitar finger exerciser provides you with 6 stamina levels, including 6.6LB, 8.8LB, 11LB, 13LB, 17LB and 21LB. You can choose the appropriate level according to your grip strength. High-quality material Our finger stretcher is made of high-quality silicone material, which is safe and durable, not easy to tear, and can be used for a long time. [Lightweight and Portable Design] The finger trainer is small and lightweight, you can put it in your gym bag or pocket. You can enjoy training at work or in your spare time. You can use the finger stretch trainer to exercise your hands anytime and anywhere. Customer philosophy first If you have any questions about the product, please contact me in time.