This HART 3/8 in. Air Impact Wrench is a new item. It features twin hammer impact mechanism for definite torque of 250 ft-lbs but with less vibration. The ergonomic design with durable aluminum housing helps reduce user fatigue. The cushioned handle grip increases tool control during performance. This durable pneumatic tool is ideal for tightening and/or loosening threaded fasteners, bolts and nuts. It is great for automotive and garage use as well as for other workshop applications.