Finger Expander Set Gymstick
The pack contains 3 expanders of different strengths and they are made of silicone: red (light), grey (medium), black (strong).
Gymstick Finger Expander is designed to strengthen your finger muscles and forearm muscles. The product provides a good counterweight to end-workers. The finger amplifier is easy to use anywhere. Gymstick finger resistance bands can improve finger strength for athletes: fitness, tennis, baseball, boxing, tennis, golf and shooting and musicians: guitar players, bass players, pianists and violinists.