Product Description

1. Exercise your wrists and hands. The hand strengthening ball is the centrifugal force generated by the interaction between the wrist's rotation and the internal rotating core, which can maintain the core's high-speed rotation, promote blood circulation, and increase the strength of fingers, wrists, hands, forearms, biceps, triceps, ligaments, and shoulders, restoring muscle strength.

2. Automatic start design. The operation is very simple, just push the core in the direction of the arrow, which is activated by the internal spring. Use a special wristband during exercise to ensure you don't drop it due to excessive force.

3. Robust and durable.

4. Easy to use. Mechanical design, no power supply required. The compact design can be carried anywhere, whether in the office, gym, or at home, it can be used as a toy to decompress at any time, and it can also train arm muscles.

5. Intimate gifts. The stylish appearance and quiet sound, this is a great and loving gift.,\"Please note:
1. As measurements are taken by hand, there may be deviations of 1-3 cm. Please ensure this is not a problem for you before placing a bid.
2. The color of the product may vary slightly depending on the shooting angle and screen, which means there may be small differences between the image and the actual product. We ask for your understanding in this matter.
Hello, please pay attention to your delivery address when purchasing the product. If your delivery details (e.g., name, street address, house number, doorbell/mailbox without name) are incorrect, the order will not be able to be delivered correctly.