[Upgrade bolt extractor kit] Compared with the old extractor, the new bolt extractor kit does not need to put a sleeve on the hexagon head before using the connecting wrench. It's more convenient and faster. The standard design makes the screw removal device compatible with hand tools, electric or pneumatic tools. [Multi-size] The extractor kit ranges from 1/8 inch (3.5mm) to 7/8 inch (23mm) and is equipped with a storage box. [Quality] Each extractor is made of steel, which is heat-treated and durable. High visibility laser size, easy to identify quickly. [Advantages] The internal thread with reverse spiral groove design can be engaged to provide maximum. Each surface is precision machined and corrosion resistant. The internal left-handed screw design can provide extra grip and faster tapping speed. [Application]-Easy-to-disassemble bolt remover kit can be used to disassemble damaged studs, bolts, screws and accessories, and can also be used with various square drive wrenches, with a application range. Colour:Black & Silver Material:steel Package Contents: 25 * screw extractor 1 * converter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.