45K RPM Portable Dental Lab Micromotor Polishing High Speed Handpiece for Polisher. Installed special ball bearings for super high speed (Do not need add oil).
NSK Pana Max Style Dental High Speed Turbine Handpiece 4 Hole Push Clean Head. NSK style Pana Max high speed handpiece. 4 hole standard push button handpiece. Idling speed of handpiece should be no less than 370,000 rotations under working air pressure of 25-30 pressure atmosphere.