This device is great for building strength in your wrists hands and fingers - providing just the right amount of resistance. Strengthen your fingers and thumb with this great exerciser. Spring Tension is the key to building power in your hands and fingers. Flex each finger individually for maximum conditioning and increase coordination skills. No assembly required. Start strengthening now!
Key Features:
- No assembly required.
- Spring tension is the key to building power in your hands and fingers.
- Flex each finger individually for maximum conditioning and increase coordination skills.