Angle Grinder Wheel Diameter 5 in 6 in Horsepower 3 hp For Wheel Type Type 6 Type 11 Max Speed 6 000 RPM Air Inlet 1/2 in NPT Female Air Inlet Connection Size 1/2 in Air Inlet Gender Female Air Inlet Type NPT Lever Type Safety Lever Spindle Thread Size 5/8 In.-11 Reach Standard Reach Duty Heavy Duty Variable Speed No