This new / unused MATCO TOOLS «ADV» BDP16M6V is a high-quality 3/8″ drive, 16mm. impact socket with a 6 point design. This 2.4″ / 6CM. deep / high socket features a black oxide finish, this socket is durable and reliable for automotive use. With no warranty. This tool is a valuable addition to any mechanic’s tool collection for fastening and loosening nuts and bolts with precision and ease.