Die Grinder, Duty Medium Duty, Horsepower 0.5 hp, Collet Size 1/4 in, 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 Collet Wrenches, Grip Style Barrel Grip, Anti-Kickback Clutch Type None, Power Source Air Powered This straight air die grinder is ideal for polishing, grinding, and deburring. Use with either carbide burrs or mounted grinding stones, available separately.