Features and Benefits:Complete assortment of emergency lug nut removal sockets ensure you always have the right size;Designed to fit lug nuts that measure 17, 18.5, 20, 21.5, 23, 24.5 or 26mm and 3/4, 13/16, 1 and 1-1/8 inch, diameter, or corner to corner;Heavy duty impact-grade CrMo steel will not split or crack; Oil resistant black phosphate finish;1/2 inch drive;Use to remove lug nuts & locking lug nuts, if the lug nut key is misplaced, lost or lug nuts are worn, stripped or damaged;Note: sizes provided are the internal diameter or the tapered opening. Measure your lug nut at the corners to determine the most suitable socket size. This may NOT correlate to the actual lug size.;Complete assortment of emergency lug nut removal sockets ensure you always have the right size. Designed to fit lug nuts that measure 17, 18.5, 20, 21.5, 23, 24.5 or 26mm and 3/4, 13/16, 1 and 1-1/8 inch, diameter, or corner to corner. Heavy duty impact-grade CrMo steel will not split or crack. Oil resistant black phosphate finish. 1/2 inch drive Use to remove lug nuts & locking lug nuts, if the lug nut key is misplaced, lost or lug nuts are worn, stripped or damaged. Note: sizes provided are the internal diameter or the tapered opening. Measure your lug nut at the corners to determine the most suitable socket size. This may NOT correlate to the actual lug size.