[QUALITY] Each extractors are Made of high hardness chrome- steel rust-resistance with heat treatment for superior durability. High visibility laser-etched size for quick identification. Features:[UPGRADE BOLT EXTRACTOR SET]Compare with the old Extractor, the new extractor set no needs to put a socket on the hexagon head before connecting the wrench to use. It is more convenient and fast. Standard 3/8-inch drive design to let the extractor set be compatible with hand tools, power, or air tools [ MULTI-SIZE] Extractor Set from 1/8 inch (3.5mm) to 7/8 inch (23mm) by 1/32 INCH increment and comes with a storage case. [ ADVANTAGE ]The internal thread with reverse spiral flutes design to bite down to provide maximum. Each is machined and to . Internal left-handed spiral design for extra grip and faster tapping. [APPLICATION] - The easy out bolt extractor set can be used to remove broken studs, bolts, hexagon socket screws and fittings, or it can be used with a Various square drive wrenches for a range of applications., Manufacturer: Littimoon