Main Features:
- The finger spring trainer is made of steel ring material, with moderate elasticity, and can exercise the endurance of fingers.
- The bottom of the spring is equipped with a solid silicone pad, so it won't hurt your hand even after long-term play.
- The diameter of the ring is 2.5cm. There is enough space and it won't pinch fingers.
- The grip strengthener is small and lightweight, making it convenient to carry around.
Specification:
- Materials: Steel rims, Silicone
- Colour: Black
- Size: 4.13*0.98 in/10.5*2.5cm
- Weight: About 45g
Package Included:
- 1pc *spring grip strengthener
Note:
- Please allow an error of 1-2cm due to manual measurement.
- Different computers display different colors, and the actual color of the item may be slightly different from the picture.
Retail Box.Packing Safely in Bubble Bag.









