Variable Speed Angled Pneumatic Drill - MSI PRO 3/8-Inch Air Power Drill with Keyed Jacobs Chuck - 1,900rpm, 7.6" L QUIET OPERATION with muffled handle exhaust. Aluminum pistol grip handle with contoured trigger throttle VARIABLE SPEED trigger. Durable BALL-BEARING construction reduces vibration, improves balance and ensures a longer life. NPT: 1/4"  Air Hose: 3/8"  PSI: 90  CFM: 4