a- type count spring grip styles and colors are available in stock A型计数握力器款式颜色多有大量的现货

Easy to control the exercise amount, restore your health!
1. PP plastic handle grip counter, soft and comfortable gripper;
2.4.5mm Bold Stainless Steel Springs Do Not Rust and Are Long-Lasting
3. A unique counter design allows for comprehensive data analysis, enabling more effective fitness programs.
4. Recovery of fingers after injury, establishing repetitive muscle memory, and enhancing agility.
3. Relieve stress and tension, improve finger flexibility
5. Exercise fingers, arms, and torso to prevent mouse hand, and enhance the strength of the palm, fingers, wrists, and forearm