The Original Dyna-Flex Pro is the entry level gyro that everyone is talking about. The rotor, which can reach speeds of up to 9,000 RPM and puts out 35 lbs. of torque and features a new "thermo band", which aids the user in controlling this powerhouse. The Dyna-Flex Pro is a newly designed, fun, and almost addicting new product. Not only can be used as an executive relaxer, a carpal-tunnel/arthritis reliever, or a strength and coordination builder, but will knock your socks off! If you suffer from carpal tunnel syndrome or repetitive motion trauma then the Dyna-Flex is a product that you should be using.