The CRAFTSMAN TOOLS CMMT44434 is a high-quality 3/8″ drive 17mm socket with a 2.5″ deep/high design and 6 point construction. This new old stock (N.O.S) hand tool is specifically designed for automotive use, making it a reliable addition to any mechanic’s toolbox. With it’s durable construction and precise size, this socket from Craftsman is sure to provide years of reliable service for various automotive maintenance and repair tasks.