The BOSTITCH BTMT72392 3/8" Air Ratchet features an aluminum body for durability in rugged work conditions. An adjustable power regulator allows the ability to switch between full, medium or low power on forward movement to help prevent damage to bolts. This unit can run at full power on reverse movement to help prevent stripping of stubborn bolts. The ergonomic handle has a rubber cushion grip for comfort and to help absorb shock. It also features 360Degree directional air exhaust for redirecting air away from the user, and a touch control trigger for speed control. 3/8" Square Drive / 1/4" Air Inlet / 70ft-lbs of Torque.