Technical Parameters For Dental Handpiece. Working pressure: 0.25 Mpa to 0.3 Mpa. Rotation Speed:260,000rpm (torque);350,000rpm(standard). Speed of generator:25,000-30,000rpm. The sale of this item may be subject to regulation by the U.Food and Drug Administration and state and local regulatory agencies. All of our products are CE approved. You pay us what you see on the invoice, i. Or replace item for you free of charge. The sellers name: Christine Geng City: Beijing State: Beijing Country: China Telephone number: 86-15264188355. The item "10pcs High Speed dental NEW LED Handpiece Push button 4 holes fit NSK US seller" is in sale since Tuesday, November 22, 2016. This item is in the category "Business & Industrial\Healthcare, Lab & Life Science\Dental Equipment\Handpieces". The seller is "superseller66" and is located in california,CA. This item can be shipped worldwide.