Die Grinder Kit, Duty Medium Duty, Horsepower 0.3 hp, Collet Size 1/4 in; 6mm, Grinder Orientation Right Angle, Air Inlet Connection Size 1/4 in, Air Inlet Gender Female, Max. Speed 21,000 RPM, Air Inlet Type NPT, Air Inlet 1/4 in NPT Female, Tool Style Right Angle, Kit Contents (1) Bare Tool, (10) Abrasive Stones, Includes (10) Abrasive Stones, (2) Wrenches, 6mm Collet, Plastic Case, Case Included Yes, Grip Style Barrel Grip, Safety Features Safety Lock Lever, Anti-Restart Technology Yes WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -