Product Review

Have Fun Strengthen Hands, Wrists and Forearms in a Minute a Day
With the NSD Power Gyroscopic AutoStart Spinner, you can get the same results in just a few minutes a day as you would if you spent hours per week in the gym. This compact hand, wrist and forearm exerciser features a gyroscopic core that spins at over 15,000 RPM and provides up to 24.9 pound-inch of torque to give your body the resistance required for fast, measurable results. It¡¦s perfect for athletes looking to zero-in on hand strength, and it may even prevent and relieve repetitive stress-induced injuries, such as carpal tunnel and tendonitis.
A Full-Featured Hand-Held Exerciser for Rugged, Long-Lasting Use
This high-tech NSD Power Spinner is equipped with all the bells and whistles for simple yet intense hand, wrist and forearm training. It has an internal pre-tensioner that triggers AutoStart plus a built-in LCD display that allows you to keep track of your most important workout stats, including your historical top speed (*LCD display features on the model PB-688AC Black ONLY; It is a self-powered digital counter being functional when you reach 3,000 RPM). Plus, like all of our hand-held exercisers, this model is made from the most rugged materials ¡X including a military-grade plastic shell and reversible inner tracks ¡X to keep it in its best shape even if dropped.