TIGHT GRIP AND BIT: The internal reverse spiral design of the extractor provides excellent torque and can easily extract damaged bolts and nuts.Can be used with most tools, such as impact wrenches, manual and pneumatic ratchets, hexagonal wrenches, flat-end wrenches, adjustable wrenches, pliers and sockets. SUPERB PRODUCTION PROCESS: The bolt nut remover is made of Cr-Mo steel(chromium molybdenum steel). Each bolt extractor is precisely CNC machined to meet or exceed ANSI performance standards and surface is coated with a black oxide coating designed, the hardness reaches 60HRC, with excellent impact resistance and durability and service life. VARIOUS SIZES AND USESThe lug nut extractor socket set is available in eight different sizes, including 14mm, 16mm, 17mm, 19mm, 21mm, 22mm, 24mm, 27mm and an extra metal rod.It can meet various needs of daily needs, whether it's car repair, home decoration, or process production, and can provide you with great convenience. EASY