Packed full of our features, including the advanced battery-free digital speedometer SM-02, the embedded LED light that's powered by your hand, and a military-grade, impact resistant shell in stylish blue. Comes with a clear, comfortable and ergonomic rubber grip, impress your friends with a beautiful lightshow and then show them how FAST you can spin the NSD Spinner! All Fusion Series Spinner are tested to be vibration free at up to 15,000 RPM. On top of that, there are two pieces of Reversible inner tracks inside. When you feel it wears out after long period of time of use, you may take off the rubber band, unscrew the shells, clean the inner with water ONLY, flip the tracks over and then re-assemble them to make the Spinner as good as new. You may also purchase additional spare parts to make another 2X lifespan. <br /> <br />- LED Lights up brightly as you spin it in Blue <br />- 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 <br />- Computer balanced inner gyroscopic rotor for VIBRATION FREE operation at up to 15,000 RPM <br />- Break-Resistant structure with Military-grade plastic shell; Simple to start with a pull-string <br />- Small, compact exercise machine you can take ANYWHERE; Provides up to 25.9 pound-in of torque at 10,000 RPM <br /> <li>Dimensions: </li> <li>Length: 5</li> <li>Height: 4.5</li> <li>Width: 3- SKU: NSDP028</li>