【Wheel Nut Driver Set】: The locking wheel nut has a deep internal thread, which adheres to the outside of a wheel nut, allowing it to be removed. The nut driver set is ideal for those who have lost their safety 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】: Wheel nut wrench set with high power and impact resistance. Bolt nut extractor processed from high hardness chrome molybdenum steel, reverse spiral flutes are designed to bite towards down and provide maximum gripping power. 【Design】: The design of the spiral socket allows a secure connection on the rounded fastener to be extracted. These nut extractors have a black oxide surface which provides greater strength and durability and prevents corrosion. 1/2" square drive: puller sets have hex bits for use with spanner, pliers, adjustable wrench, sockets or vise lock pliers, square drive of 1.27 cm for use with hand