- A useful high quality steel tool to exercise the fingers, hand, wrist and forearm.
- Lightweight and easy to carry and can be used as both an indoor and outdoor trainer
- Relieve fatigue and stress.
- Built with the best quality materials and enhanced spring to endure long-term and frequent use.
- Multidirectional design and superior corrosion resistance.
- Increased grip strength and mobility will improve power, accuracy and finger speed.
- Material: Steel Spring
- Max Diameter: approx. 5cm/ 2 inch
- Length: approx. 9cm/ 3.6 inch