The Snap-on 12 Pc Mixed Wrench Lot includes a variety of sizes ranging from 5/16in. to 1/4in., all with a 6 point drive type and chrome surface finish. These high-quality wrenches are designed for automotive use and are made in the United States. The set includes tools with manufacturer part numbers OSH, WOEX, XI, RXH, and XDH, providing a comprehensive collection for mechanics and automotive professionals.