Air Power Ratchet Wrench - MSI PRO 3/8-inch Square Drive Anvil Ratchet Wrench - 45ft/lb Torque, 150rpm, 10"L BUILT-IN AIR REGULATOR for positive speed and torque control FORWARD / REVERSE HEAVY DUTY Steel Construction. Perfect for industrial use. Comfort Grip Body. Durable BALL-BEARING construction reduces vibration, improves balance and ensures a longer life. NPT: 1/4"  Air Hose: 3/8"  PSI: 90  CFM: 4