The BluePoint lug Nut Socket Set includes three impact sockets in sizes 17mm, 21mm, and 19mm. These sockets are designed for deep impact use and have a thin wall construction. The set is made by the reputable brand Blue Point and features a 6 point drive type with a 1/2 inch drive size. This set is a valuable addition for automotive professionals and enthusiasts looking for high-quality, durable hand tools.