Non-stage speed system R.P.M can be controlled 0-40,000 by Foot pedal and 1,000-40,000 by Hand. Available customized order 45,000R.P.M and 50,000R.P.M Automatic protection system & Reset function The lamp turns on light and automatically shuts down if it has the breakdown and the malfunction. Turn on the power switch after solutions. It is re-operate. Feedback function Provide same power to the handpiece at low speed, so it is offered maximum Torque in all R.P.M. Double handpiece output system Different bur size ( 02.34, 03) handpiece available. Different models (NH1, NH3) handpiece available. Excellent durability Spindle is specifically designed preventing dirt and carbon powder and to be lengthened life of bearing. Spindle is specifically designed to does not give the impact on bearing. The bearing has excellent durability and can be long used. Bur exchange easily NH1: Using Cam way. Handle can be twisted easily and exchange burrs easily. NH3 Handpiece is designed European grip. Handle can be twisted smoothly due to the installed ball in the inside of handle. Installed special ball bearing Special ball bearings are installed in handpiece. It is bring less heat and low noise for operation. Bearing can be long used Purpose It is the best product for instrument cutting of lab. It is very good for works necessary for powerful strength. It is excellent for finishing work of mold work with superprecision without swing of vibration bar. It is excellent for marking letters or caning on the surface of woods, metals or shellfish.