Steelman Reversible Air Drill with a 1/2" chuck and spindle thread of 3/8"-24 offers a free speed of 800 RPM. This air-powered tool features a teasing throttle for precise control, needle-bearing gears for improved durability, and handle exhaust that reduces noise and directs air away from work areas. This product also features a 1/4" air inlet (for 3/8" hose) and runs on 90 PSI of air pressure, with an air consumption of 4 CFM, measuring 7" in overall length.