Increase strength and coordination anywhere, anytime with this Gyroflex Pro! SAVE BIG! A few minutes a day while watching TV is all it takes. Using gyroscopic inertia (similar to centrifugal force), the Gyroflex increases strength and coordination in your hand, wrist, arm and shoulder. Also aids in the prevention and rehab of certain injuries, helps with Carpal Tunnel Syndrome and reduces stress. Easy to use... just grip it and rotate your wrist in a circular motion to start the rotor spinning. You'll immediately feel the resistance. The faster your wrist rotates, the greater the force... create up to 36 lbs. of force! Instructional video included. Measures 2 1/2 x 2 1/4" and weighs 9 ozs. Click to order ONLINE now! Gyroflex Pro