Product Name: Fit Sirona +T3 Race Dental Three Water Spray Standard Push Button High Speed Handpiece Model NO.: T3 Rotating Speed: Low-Speed Handpiece Connection: With Quick Connector Number of Holes: Four Holes Exhaust Way: Internal Exhaust Head Diameter: Middle Head Loading Way: Gland Type Application: Adult, Child Usage Times: Non-Disposable Water Way: Inner Channel Light Way: Without Light Material: Stainless Steel Certification: ISO9001, ISO, CE Condition: New Spindle Chucks Power: 22n(After 3, 500 Times) Shaft Roundness: 0.001mm Dynamic Pulse Rate: ?0.03mm Noise: Less Than 68dB Bur Applicabie: 1.59mm~1.6mm*21mm~23mm Rotation Speed: More Than 300, 000 Rpm Air Pressure: 0.25-0.27MPa(4 Hole) Transport Package: Plastic Specification: 1 set/box Product Description 1. Torque push Cartridge(For Sirona+T3 Race).2.Compatible with Sirona+T3 Race3. Our bearing bought from the best bearing manufacturer in China mire sound less and wear less.4. Impeller has been dynamic balance by the Germany machine. Enhance theuseful life of the handpiece.5. Completed Handpiece Head,easy to clean and more hygienic.6. Can be 135ºC Sterilized.7. High efficient cooling System.8.Stable and reliable performance.9. The impeller has been done the dynamic balance by our Germany machines,it can greatly prolong the life of the bearings.