Wheel nuts disassembly - The locking wheel nut has a deep inverted internal thread, which adheres outside a wheel nut, allowing its withdrawal. The set can also be used to remove corroded or damaged bolts. High quality - Boulon nut extractor treated from high -hard -hard -hated molybdenum chrome steel, the inverted spiral flutes are designed to be bitten to provide A maximum grip power. The extraction tool kit includes sizes of 17 mm, 19 mm, 21 mm and 22 mm. Supplied with a useful transport case for quick and easy storage. Multifunction - the game of twisted sockets is suitable for removing rust and wear, as well as to cover the paint coating of the nuts, bolts. The bolts extractor offers maximum grip power to easily remove the nuts, bolts and broken screws, damaged or rusty. Superior quality service - if you encounter problems when using our product. Contact our professional team by email. The after-sales team Lanniu will contact you and solve your problems in a timely manner.