The patented Gripmaster is the only hand exerciser in the world that exercises each finger individually for optimum conditioning of the hand, wrist and forearm.
Challenges each finger individually using patented spring-loaded finger piston technology
Greatly improves hand, wrist, and forearm strength
Used by professional athletes & top fitness trainers worldwide
Fits in your pocket. Workout ANYTIME, ANYWHERE!
X-Light is recommended for seniors and children 12+