Feature: 1. Package Contents: These twist nut removers kit includes 17MM, 19MM, 21MM and 22MM bolts and a 12mm drift punch nut removal bar. 2. Usage: This kit is used to quickly remove worn lock nuts, including rusted, deformed, peeling or broken, and automotive wheel hubs. 3. Easy Fastening: The special internal thread design provides excellent torsion, and the unique texture inside makes it easier to grip stubborn nuts for easy removal. 4. Carbon Steel Material: Lug nut extractor socket tools are made of high strength carbon steel material, sturdy, surable, has high performance and long service life. 5. Portable Box: Comes with a blow molded case, these tools are more convenient to store and carry, not easy to lose, and can be used with 1/2in drive tools. Specification: Item Type: Lug Nut Extractor Tool Material: Carbon Steel Size: 17 19 21 22mm socket, 12mm center punch Format: Metric Package List: 1 x Lug Nut Remover Tool Kit (5pcs)1 x Blow Molding Box Note: For removal only. Do not use twist sockets to install new nuts. Product NOT designed for air or impact wrench operation.