Angle Grinder Wheel Diameter 7 in Horsepower 1.5 hp For Wheel Type Type 27 Type 28 Max Speed 6 000 RPM Air Inlet 3/8 in NPT Female Air Inlet Connection Size 3/8 in Air Inlet Gender Female Air Inlet Type NPT Lever Type Safety Lever Spindle Thread Size 5/8 In.-11 Reach Extended Reach Duty Heavy Duty Variable Speed No