Make quick work of stubborn lug nuts with this Traveller 4 pc. Lug Nut Removal Socket Set. It comes with (4) 1/2 in. drive sockets designed for removing lug nuts and locking nuts. If you misplace your lug nut key or the lug nuts are worn, stripped or damaged, rely on this socket set to help get the job done with ease. Each socket is made from heavy-duty CrMo steel that's resistant to splitting, cracking and oil. The sockets can be used with lug nuts measuring 17 mm, 18.5 mm, 21.5 mm or 26 mm from corner to corner, or the standard equivalent.