This Matco Tools 3/8" Air Ratchet MT1857A is a brand new tool that is perfect for any automotive job. With its 3/8in. air inlet size, this air ratchet is designed to provide the perfect amount of power and control while you work. The ratchet's sturdy construction ensures that it will last a long time, and its easy-to-use design makes it a great choice for both beginners and experienced mechanics alike. Whether you're tightening or loosening bolts, this air ratchet is sure to make your life easier.