Features： 1、The finger stretcher is made of TPR material, which has sufficient elasticity and is not easy to pinch. 2、Very suitable for adjusting the extensor muscles of the hand, preventing hand fatigue, arthritis and carpal tunnel syndrome, etc. 3、Can provide your muscles with the necessary rehabilitation and strengthening training to improve finger flexibility. 4、Adopts a triangular shape design, which conforms to the hand shape of most people, and has strong practicability. 5、There is a ball in the middle of the hand grip strengthener, which is comfortable to grip and can achieve a better grip effect. Specification： Item Type: Finger Stretcher Triangle Side Length: Approx. 12cm / 4.7in Middle Ball Diameter: Approx. 5cm / 2in Purpose: Finger grip exercise, recovery, leisure play, etc. Package List： 1 x Finger Stretcher