This product Made of Higher Quality silicon material, which is very durable rubber and has good resistance, Hand grip strength is of high quality, can be used for a long time
You can change the positions of the hook to adjust the resistance value with 3 levels of resistant levels, including 13LB, 17LB, and 21LB. You can choose the appropriate level according to your grip strength.
With the help of grip strength trainer, you can easily improve the strength of your fingers, forearms and wrists; finger strengthener is great tool for hand strengthening and Physical Therapy
Finger trainer grip strength trainer with Portable and Lightweight Design: The finger trainer is small and light enough to fit in your gym bag or pocket
The grip strength trainer kit is works for improving power and flexibility in the wrists, fingers, and forearms. Perfect Gifts for rock climbers, Tennis players, Guitar, Piano, Drummers & Musicians