[Ideal for sports enthusiasts] The finger strengthener can improve finger strength for athletes (rock climbing, fitness, tennis, baseball, boxing) and musicians (guitar, bass, pianist, violinist) as well as everyday chores (driving, typing, writing, working, etc.). 6 Endurance Levels to ChooseThe silicone guitar finger exerciser provides you with 6 endurance levels, including 6.6LB, 8.8LB, 11LB, 13LB, 17LB and 21LB.You can choose the right level according to your grip strength. High quality materialOur finger stretchers are made of high quality silicone material, which is safe and durable, not easy to tear, and can be used for a long time. [Portable and lightweight design] The finger trainer is small and lightweight, you can put it in your gym bag or pocket. You can enjoy your workout at work or at leisure. You can exercise your hands anytime and anywhere with the finger extender trainer. Customer concept firstIf there is any problem with the product, please contact me in time. Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-15 days. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please dont hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it