Build strength while improving coordination in your hands and forearms with the Dyna-Flex™ Power Ball.
Easy-grip outer sphere allows increased control and prolonged usage
Variable resistance is achieved by increasing or decreasing the speed; therapeutic for hands, wrists, arms, biceps and triceps
Aids in the prevention of repetitive stress injuries and carpal tunnel syndrome
Get the edge in rock climbing and any other sport that requires control and a strong grip
The faster the unit runs, the brighter the lights will be until your whole hand is engulfed in a bright glow
Generates up to 32 lbs. of gyroscopic pressure when maximum RPMs (13,000) are reached