Spinning | Smart Design Patented NSD Power Spinner is small and compact but provides ample resistance via angular momentum for an intense workout generate 26 8 lb in of torque at 10 000 |
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RPM | Simple Operation Easily turns on via the included pull string so you can pick it up and get |
Started | Rugged Long Lasting Design Made with a military grade plastic shell a break resistant structure and reversible inner tracks for 2X |
Lifespan | Easy To Use No batteries required You can get a challenging strengthening workout anytime anywhere even on your lunch break Precision Made by its inventor Computer balanced inner gyroscopic rotor with Stainless Steal Axle Compatible With Nsd Digital Speedometer Sm 01 and Sm 02 |
Customer reviews (10)
Five Stars
Product is very good and satisfactory.
I was expecting this Power ball to be smooth for ...
I was expecting this Power ball to be smooth for longer.
Nice toy for office
Simple and small device but you can really feel the weight when it spins at high speed.
Five Stars
My PT recommended this, and it's been great for my shoulder rehab..
One Star
Came without string!.
Five Stars
Perfect.
One Star
This was a waste of time and money.
Great for my tennis elbow - and just plain fun to use.
I use it daily when my tennis elbow acts up, and it keeps it under control.
Five Stars
Works great.
Kind of fun but delivers none of what I'd hoped for
Although never diagnosed as such, both hands have classic symptoms of carpal tunnel syndrome.