The Mac Tools 1/2 inch Reversible Key-Chuck Drill AD590 is a single item pistol grip drill designed for automotive use. It features a reversible chuck, making it versatile for various applications. With a maximum speed of 800 RPM and a 3/8 inch air inlet size, this drill is efficient and convenient for professionals and DIY enthusiasts alike. Manufactured in Taiwan, this drill does not come with a warranty, but its durability and quality speak for themselves.