Locking Lug Nut Removal Set: The locking lug nut has a deep internal thread, which adheres to the outside of a lug nut, allowing it to be removed. The Nut Removal Kit is ideal for those who have lost their security sockets, as the 4 sizes cover those most frequently used in the automotive industry. The set can also be used to remove corroded or damaged bolts. High Quality: Locking wheel nut remover set with high power and impact resistance. Bolt nut extractor processed from high hardness chrome molybdenum steel, reverse spiral flutes are engineered to bite to provide maximum gripping power. Design: The design of the spiral sleeve allows a secure connection to the rounded attachment to be extracted. These bolt nut extractors have a black oxide surface providing greater strength and durability and prevents corrosion. 1/2" Square Drive: Extractor sets have flat hex bits for use with open end wrench, pliers, adjustable wrench, sockets or locking pliers, 1/2" square drive for use with hand ratchets, impact wrenches and air ratchets. The bolt removal tool set includes sizes 17mm, 19mm, 21mm, 21mm, 21mm and 21mm and 222mm. Comes with useful carrying case for quick and easy storage. . Multi-function: The twist socket set is suitable for removing rust and wear, as well as covering the paint coating of nuts, bolts. The bolt extractor provides maximum gripping power to easily remove broken, damaged or rusted nuts, bolts and screws. Quantity delivered: 1 set Note: The data is all measured manually, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.