PowRyte Elite 3/8-Inch Composite Reversible Air Drill with Keyless Chuck Lightweight composite housing and textured handle reduces fatigue and increases comfort during cold weather use Precision gears and bearings reduce vibration and spindle run-out Quick-Change Keyless Chuck for easy change over between bits One Hand Operation-Forward/Reverse Switch for quick and easy switching 1800 RPM Free Speed @90PSI, 3/8" Chuck