The MAC TOOLS XDP6 -19MM. is a high-quality 3/8″ drive, 19MM. impact socket. This 6 point socket is designed for deep applications with a 2.7″ / 6.75CM. deep/high construction. Manufactured by MAC Tools in the United States, this socket is perfect for automotive mechanics needing reliable and durable hand tools. The black oxide finish ensures rust resistance and long-lasting performance, making it a valuable addition to any tool set.