The Matco Tools 3Pc 1/2" Metric 6 Point Lug/wheel Nut Protector Set is a high-quality set of sockets designed for automotive use. Made with impact-grade materials and featuring a black oxide surface finish, these sockets are durable and built to last. The set includes sizes 22mm, 17mm, 19mm, and 21mm, making it versatile for various applications. With a 6-point design and a 1/2" drive size, this set from Matco Tools is a reliable and essential addition to any hand tool collection.