Features for dental handpiece cartridge:<br /><br />1. Rated Air-pressure: 180-245Kpa<br />2. Cartridge: Ceramic Bearing A Class <br />3. Needle Change Type: push button<br />4. Head Size: Standard head handpiece<br />5. It can be autoclaved at 135?? high temperature sterilization<br />6.Rotating Speed Without Load: 400、000RPM