Feature:1.High Quality Electric Dental Lab Handpiece Micromotor, Strong 35000 Rpm.2. 0~35,000rpm, less-vibration standard carbon brush motor.3. No heat after long hours of operation by effective electrical design.4. Foot pedal for variable speed control.5. Non stage speed system (it s well designed to output from zero to 35,000rpm by using non stage speed system).6. Right and left turning ability.7. Foot ON/OFF switch systemTechnical Parameter:Burs size2.35 mmSpeed range0-35,000 R.P.MCollet size:E-TYPE handpieceBiggest torque:280gf.cmPlease note:This is E type handle,it is not included straight or angle handpiece,if you buy please check if you have in your side,thanks.