The NAPA 1-Piece NPT Deep Swivel 1/2″ Drive Impact SAE Hex Bit Set is a high-quality set of sockets designed for automotive use. Made from durable Chrome Molybdenum Alloy Steel, these hex bits come in a variety of sizes including 1/4″, 5/16″, 3/8″, 3/4″, 5/8″, 7/16″, 9/16″, and 1/2″. This set, with a total of 10 pieces, is perfect for professional mechanics and automotive enthusiasts looking for reliable tools to tackle tough jobs. Made by NAPA, a trusted brand in the industry, these sockets are built to last and provide the necessary drive size for a wide range of applications.