【2024 Latest Version】: The old version needs to put a socket on the hexagon head before connecting the wrench to use. However, our latest version in 2023 can be directly connected with a wrench, without the need for a connecting sleeve. It is more convenient and fast, satisfying the multi-function 【Easy to Use】 Compatible with both power and hand tools, the high-density spiral design facilitates the quick removal of broken screws, bolts, nuts, studs, fittings and threaded pipes 【Multiple Sizes and Easy to Read】The screw extractor set includes sizes 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", and 1/2", along with a 3/8"-1/4" Hex Adapter and a 3/8"-1/2" Impact Adapter. Each size is clearly engraved on the socket for easy identification 【High-Quality CR-MO Steel】 Bolt extractor kit crafted from heat-treated chromium molybdenum steel, ensuring durability and resistance to damage 【GUARANTEED QUALITY】 We offer a lifetime limited warranty for our easy out bolt extractor set, which has been thoroughly tested for top-tier performance and durability. Don't hesitate to reach out with any questions or concerns, Manufacturer: BOLTX