Description: Large capacity of motor (35V) and air cooling – keep the temperature-rise to minimum. High precision constuction-allows precise and easy laboratory work. Excellent Dust-Proof system of the handpiece, High Concentricity System is very reliable and durable Made in Japan System includes: 1,000-35,000 rpm variable speed control box with forward and reverse switch, selection of foot switch or hand operation. Foot pedal, stand and Micromotor.