This gyroscopic spinning ball is a unique hand, wrist, and forearm exercise machine…

Great for exercise, athletes, amateur and professional alike. Strong grip and forearm provide you with the ultimate in power, speed, and control in just about everything you do.

Be it golf, tennis, baseball, football, or just about any sport or exercise that involves the use of hands and arms, using the NSD Spinner will allow you to hit it harder, hit it faster, and hit it straighter.

No messy strings, no flimsy battery powered starter station, just wind it up by pulling it back, and we’ll generate enough momentum to get you going. No Starter Cord Needed.

The counter will keep track of how fast you’re spinning our Spinner, or how many revolutions you’ve been spinning it. A minute a day is all it takes.

You can take with you anywhere you go!

Product Features

• Auto starts with internal pre-tensioner, just roll back the rotor in the direction of the arrow on the rotor or against the internal resistance, when sufficient tension is achieved, just release and enjoy
• Computer balanced inner gyroscopic rotor for VIBRATION FREE operation at up to 15,000 RPM
• Performance Digital LCD counter displays various vital workout information, including Historical top speed; Certified for entry into our Monthly Top Speed Contest; See our Facebook page for more information
• Impact Resistant structure with Military-grade plastic shell; Reversible inner tracks make 2X Lifespan
• Small, compact exercise machine you can take ANYWHERE; Provides up to 24.9 pounds in of torque at 10,000 RPM