This True Craft adapter is a must-have for any mechanic or DIY enthusiast. It is designed to convert a 1/2″ drive size to a 3/8″ drive size, allowing for compatibility with a wider range of sockets and tools. The adapter is a single item, with the manufacturer part number 43140, and is made in the United States. The adapter is made for use in the automotive industry and is categorized under Hand Tools, Sockets & Socket Sets. It includes one piece, which is a socket adapter, and is a valuable addition to any toolkit.