Air Angle Die Grinder, Duty Heavy Duty, Horsepower 1.2 hp, Collet Size 1/4 in, Grinder Orientation Extended, Max. Speed 12,000 RPM, Air Inlet 3/8 in, Includes Series 300 Collet 1/4 In., Exhaust Hose 31 In., Flat Wrench 7/16 In., Flat Wrench 11/16 In., Safety Features Safety Lever, Power Source Air Powered