"The Ingersoll Rand Edge Series 7811G heavy-duty reversible air drill features a quiet design, with speeds from 1200 to 1700 RPM, and a keyless 3/8in. chuck. No matter what the job entails, Ingersoll Rand Edge series tools will help you conquer whatever the day brings. Applications for this reversible air drill include home improvement projects, body work installation and repair, farm implement assembly and repair, general equipment, auto repair and maintenance, boat repair, truck repair and more. Keyless Chuck Yes, Air Inlet Size in. NPT 1/4, Tool Length in. 9 1/4, Speed RPM 1,700, Air Consumption CFM 4, Reversible Yes, Chuck Size in. 3/8, Min. Hose Size in. 3/8, CFM at Load 29, Variable Speed Yes. Variable speed trigger gives you the control to adjust the tool speed for any kind of project Forward/reverse controls Diffused handle exhaust blows air away from your work, eliminating the mess and increasing your productivity Ergonomic grip provides better comfort, keeping you on the job longer and finishing tasks quickly"