Chicago Pneumatic CP7300R 1/4-Inch Chuck Reversible Air Drill

With an adjustable exhaust, this drill is excellent for drilling, honing, reaming and hole sawing. Spindle size: 3/8″-24; free speed: 2800 RPM; average air consumption: 4.1 cfm; air inlet thread: 1/4″ NPTF; minimum hose size: 3/8″; sound dBA: 86; length: 5″; weight: 1.35 lbs.