The DynaFlex Pro Gyro is a wonderful, cost-effective way to experience the advantage that gyroscope fitness science can make in your life. The patented Dynaflex Pro Gyro exerciser reaches up to 10,000 RPMs and creates up to 38 lbs. of dynamic resistance to increase grip strength, range of motion, and to condition arm, elbow, and shoulder muscles. While most people order the Dynaflex Pro for fitness or rehabilitation purposes, a large number of customers simply love because it�s a cool gadget that�s fun to use. Regardless of why you are ordering your Dynaflex Pro today, you won't be disappointed. But be forewarned, using Dynaflex is so much fun, it is habit forming!