Air Cut Off Tool, General Duty, Free Speed 20,000 rpm, Required Pressure 90 psi, Spindle Dia. 3/8, Wheel Dia. 2-7/8 In., Air Inlet 1/4 In. NPT, Average CFM @ 15 Second Run Time 10.00, 25.0 CFM @ Full Load, Overall Length 8-7/8 In., Min. Hose 3/8 In., Max. Wheel Thickness 1/16 In., Arbor Hole 3/8 In., Exhaust Rear, Handle Material Composite, Variable Speed No, Speed Control Yes, Lever Type Safety Lock Off, Guard Material Steel