Air Die Grinder, Angle, Free Speed 25,000 RPM, HP 0.3 hp, Collet 1/4 in, Exhaust Rear, Variable Speed No, Grinder Type Right Angle, CFM @ Full Load 4.0, Average CFM @ 15 Second Run Time 4.0, Handle Material Aluminum, Min. Hose Size 3/8 in, Overall Length 6 1/8 in, Right Angle Length 2 1/2 in, Required Pressure 90 psi, Air Inlet 1/4 in NPT, Bearing Type Ball, Throttle Safety Lever, Characteristics Gearless, Safety Throttle Lever and Rear Exhaust, Includes 105 Degrees Gearless Die Grinder