Four(4) Ceramic Dental Turbines for KaVo Mira LUX3 635B and 637B Handpieces. Premium ceramic ball dental bearings for improved performance. Autoc huck provides up to 9 lbs of bur retention force. No-load speed is 390,000-420,000 rpm at 32-34 PSI. The operation noise level is as low as 62 dB.Individually tested and tuned to ensure vibration-free and chatter-free. The item "Lot of 4 Ceramic Dental Turbines for KaVo 635B 637B Handpiece, 90 Day Warranty" is in sale since Monday, October 29, 2018. This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Handpieces & Instruments\Dental Handpieces". The seller is "firstamd" and is located in Hockessin, Delaware. This item can be shipped worldwide.