1. Our Finger Strengthener is designed to develop and maintain strength and flexibility in fingers, hands and forearms. 2. Ergonomic Design: These hand exercisers are designed with an ergonomic palm grip that provides you with customized conditioning for individual fingers, the entire hand, wrist and forearm, safe and comfortable to use br>3. Fine workmanship: Our finger strengtheners are made of high-quality plastic and springs, durable enough to allow you to exercise each finger, as well as your whole hand, suitable for people who need finger strength, such as athletes, guitarists, Pianists, accordionists, violinists, hand reconstruction patients, etc. 4. High-quality finger trainer with solid structure The finger trainer is made of high-quality, high-quality springs, comfortable to hold, easy to grip, does not hurt fingers, durable, and has a longer service life than other finger trainers in occupational therapy longer. 5. Extremely portable finger design coach piano, easy to carry. You can put it in your luggage, bag, purse, purse and more. The slim size allows you to hold everything in the palm of your hand and exercise your fingers anytime, anywhere. All Products From Us Have Undergone Strict Quality Checks. if There Is Any Quality Problem Or You Are Not Satisfied With The Product contact Us. we Will Give You The Best Solution.