- Strengthen your hands, fingers, thumbs and wrist with this great exerciser
- Spring Tension is ideal to building strength and power in your hands and fingers
- Flex each finger individually for maximum conditioning to increase coordination skills and grip strength
- No assembly required
Strengthen your hands, fingers, thumbs and wrist with this great exerciser. Spring Tension is ideal to building strength and power in your hands and fingers. Flex each finger individually for maximum conditioning to increase coordination skills and grip strength. No assembly required.