Cut-Off Tool Wheel Diameter 3 in Duty Rating Heavy Duty Horsepower 0.5 hp Max Speed 20 000 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 Front Cut-Off Wheel Orientation Parallel 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