• Heavy duty air driven handpiece operates at variable speeds with foot control from low speed to 55,000 RPM at 60 psi. • Ultra torque generating 1⁄4 horsepower at pressures above 40 psi. • Motor stays cool even at speeds of 55,000 RPM with muffled air exhaust. • Vibration free due to special 3-jawed lathe collet chuck and two main sealed support bearings resulting in increased comfort and more accurate cutting. • Quick disconnect feature for convenient portability from station to station.