Die Grinder, Duty Heavy Duty, Horsepower 0.3 hp, Collet Size 1/4 in, Grinder Orientation 90 Degrees Angle, Air Inlet Connection Size 1/4 in, Air Inlet Gender Female, Max. Speed 23,000 RPM, Air Inlet Type NPT, Air Inlet 1/4 in NPT Female, Tool Style Right Angle, Kit Contents (1) Bare Tool, Includes (1) 1/4 in Collet, (1) 3mm Collet, (1) 6mm Collet, (1) Spanner, Case Included No, Grip Style Barrel Grip, Material Application Ceramic, Glass, Steel, Wood, Safety Stop Mechanisms Safety Start/Stop