Spring Arm Strength Hand Gripper
Product Description:
- Product Type: Spring Arm Strength Hand Gripper.
- Material:plastic /steel.
- Function: exercise arm chest mascles.
- Arm Exerciser Grade: 20kg,
- 100% Brand New And High quality.
- The power twister is one of the best fitness tools you could use to build your upper body strength and arm muscles.
- Arms bent, curved spring force in the back of the neck.
- Arms forward and upward bending of the spring, then relax.
- Arms close to the chest, bending the spring, then straight, slowly relax.
- Color: black
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