Cut-Off Tool Wheel Diameter 4 in Duty Rating Heavy Duty Horsepower 0.7 hp Max Speed 17 000 RPM Air Inlet 1/4 in NPT Female Air Inlet Connection Size 1/4 in Air Inlet Gender Female Air Inlet Type NPT Exhaust Location Rear Cut-Off Wheel Orientation Parallel Reach Extended Reach Accessory Free Tool Change Yes Kit Contents (1) Bare Tool Includes 4mm Hex Key Spanner Speed Control Lever Lever Type Safety Maximum Wheel Thickness 1/16 in Arbor Hole Shape Round Arbor Hole Size 3/8 in