Cut-Off Tool Wheel Diameter 4 in Duty Rating Heavy Duty Horsepower 0.7 hp Max Speed 15 000 RPM Air Inlet 1/4 in NPT Male Air Inlet Connection Size 1/4 in Air Inlet Gender Male Air Inlet Type NPT Exhaust Location Rear Cut-Off Wheel Orientation Right Angle Reach Standard Reach Kit Contents (1) Bare Tool Speed Control Safety Lock Lever Lever Type Safety Lock Arbor Hole Size 3/8 in Spindle Diameter 3/8 in Power Source Air Powered Air Pressure 90 psi