<b>Features:<b/> <br> <br>1. Tool exchange method using cam (twist the handle counter-clock wise to change the bur and can be easily restored back to the original position) <br>2. Non stage speed system(it's well designed to output from zero to 35,000rpm by using non stage speed system) <br>3. Right & Left turning ability <br>4. Foot ON/OFF switch system (Variable Control system using foot ) <br>5. Protective plastic cover <br>6. Continuous variable speed control <br>7. Powerful control box at the dental N7S micro motor <br>8. Forward & reverse switch (Right/Left) <br>9. Easy change of the driving direction for efficiency <br>10. No heat after long hours of operation by effective electrical design <br>11. Powerful torque and continuously variable speed control <br> <br><b>Specifications<b/> <br> <br>Power Supply voltage:220V/50Hz±10% <br>110V/60Hz±10% <br>Speed: 0 - 35,000 R.P.M