Power UP your game to the next level!
Use the Wrist Trainer to increase strength of fingers, wrist, hand, forearms, biceps, triceps, ligament and shoulders.
It is small and portable, making it convenient to be used anytime and anywhere.
No starter cord or external battery powered aid needed! Using the Spinner to strengthen your wrist and arms easier than ever! The Roll ‘n Spin Spinner incorporates a pre-tensioner inside the gyroscope that allows for a simple roll back to spin up the gyro with enough momentum to get you started.
NSD Roll ‘n Spin Rainbow Lit power ball incorporates new Auto Start feature, Mutil-light LED that lights up your exercise routine with multiple colors, and Digital LCD counter tracks your speed and progress.
|Power Ball Gyro|
|Max Vibration Free RPM||15,000 RPM (250Hz)|
|Weight||9.2 oz (261 g)|
|Torque at 10,000 RPM||24.3 lb-in|
|Features||Computer Balanced Rotor
LCD Display Counter
Hard Plastic Shell
Speed Variable Multi-colored LED lights
AutoStart Internal Pre-tensioner