The Matco Tools 1/2” Reversible Air Drill is a high-quality tool designed for automotive use. With a maximum speed of 700 RPM, this pistol grip drill features a 1/2 inch chuck size and a 1/4 inch air inlet size. The reversible feature allows for versatility in various applications, making it a valuable addition to any mechanic's toolbox. The chuck key included with this single item makes it easy to maintain and use, while the keyed chuck key type ensures a secure fit for attachments.