Die Grinder, Duty Heavy Duty, Horsepower 0.4 hp, Collet Size 1/4 in; 6mm, Grinder Orientation Straight, Air Inlet Connection Size 1/4 in, Air Inlet Gender Female, Max. Speed 25,000 RPM, Air Inlet Type NPT, Air Inlet 1/4 in NPT Female, Tool Style Straight, Kit Contents (1) Bare Tool, Includes (3) Wrenches, 6mm Collet, Piped Away Exhaust Kit, Service Clamp Block, Grip Style Barrel Grip, Safety Features Lock-out Lever, Switch Location Bottom, Power Source Air Powered WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -