Features for dental handpiece cartridge:<br /><br />1. Rated Air-pressure: 180-245Kpa<br />2. Head dimension: 8.25mm<br />3. Handle dimension: 1.59-1.6mm<br />4. Rotating Speed Without Load: ?Y400、000RPM<br />5. Needle Change Type: push button <br />6. Head Size: For high speed super torque big head handpiece<br />7. It can be autoclaved at 135?? high temperature sterilization