Capri Tools CP32072 Industrial Air Angle Die Grinder, 1/4" High performance angle die grinder, ideal for porting, de-burring, weld breaking, grinding and polishing Premium bearings, metal casing, and heat-treated cylinder produce exceptional balance and minimize vibration Powerful motor with 0.3 horsepower. Low air consumption at 2.1 CFM at 90 PSI. Weighs only 1.1 lbs Integrated safety lock lever prevents accidental start-up Collet: 1/4 inch, grinding speed: 15,000 RPM, average air consumption: 2.1 CFM, operating pressure: 90 PSI, air inlet: 1/4 in., recommended hose size: 3/8 in