Jet JSM-401 3/8-Inch Pneumatic Impact Wrench with Butterfly Grip 75-Feet/Pound of torque for heavy-duty fastening and unfastening Built-in air regulator for positive speed and torque control Consumes just 3-Cubic Feet of air per minute for use with smaller compressors Comfortable to hold and operate for less operator fatigue Butterfly control for easy direction changes