The product is a set of three 1/2″ drive sockets in sizes 3/8″, 30mm, and 36mm. Made by Armstrong USA, these standard sockets are designed for automotive use. The manufacturer part numbers for the sockets are 3/8-12-112, 30MM-39-030, and 36MM-39-136, respectively. This set of sockets includes the necessary tools for various automotive maintenance and repair tasks.