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The Dyna-Flex Powerball makes the cover of Time magazine as one of their top 10 digital devices of the year. It features a balance rotor and removable top cap, which allow insertion of the optional digital speed meter. Generates from 32lbs to 35 lbs of torque when speeds of 9,000 - 13,000 RPM's are reached.
The ultimate in engineering design, featuring the same user-friendly features as the Dyna-Flex Pro Plus but incorporating an on board generator. Just when you think you've seen it all, along comes the ultimate hand, wrist and arm Exerciser, the Dyna-Flex Powerball.
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