High Quality: Locking wheel nut remover set with high power and impact resistance. Bolt nut extractor processed from high hardness chrome molybdenum steel, the reverse spiral splines are designed to bite to provide maximum gripping power.3/8 inch square drive: the bolt nut extractor sets Extractors have hex flats for use with open end wrench, pliers, adjustable wrench, sockets or vice lock pliers, 3/8" square drive for use with hand ratchets, wrenches shocks and air ratchets.Design: Spiral socket design allows secure connection on the rounded fastener to be extracted.This bolt nut extension kit has a black oxide surface providing greater strength and durability and prevents corrosion.Multifunctional: The twist socket set is suitable for removing rust and wear, as well as covering paint coating from nuts, bolts.The bolt remover provides gripping power maximum for easily removing broken, damaged or rusted nuts, bolts and screws.PACKAGE INCLUDES: Bolt removal tool set includes metric measurements and sizes - 8mm, 3/8", 10mm, 11mm, 12mm, 13mm, 14mm, 16mm, 17mm, 11/16", 3/4" 19mm). Comes with a useful carrying case for quick and easy storage. See more details