The Campbell Hausfeld CH 3/8 Inch Air Ratchet is a reliable tool designed for automotive use. With a 3/8 inch drive size, it is compatible with a variety of nuts and bolts. The air inlet size of 1/4 inch allows for easy connection to air hoses, and the included air hose fitting ensures a secure attachment. Made by the trusted brand Campbell Hausfeld, this air ratchet is a valuable addition to any mechanic's toolbox.