[High Strength Material]Screw Extractor is made of high-quality HSS 4341 high-speed alloy steel, which is sturdy and durable, has high hardness, and is not easy to wear. [Easy Removal]Using our Screw Extractor Kit, you can easily and quickly remove damaged screws and bolts such as peeling, embedding, rusting, etc. [Method of use]Use a suitable size Screw Extractor to install on the electric drill, use one end of the drill bit to upside down drill a small hole on the screw head, then use the other end to drill at a certain depth, and finally reverse to extract it. [Package Contents]You will receive 6 pieces Screw Extractor, a total of 5 specifications, can handle a variety of screw types, taking support toolbox storage, convenient for your use and storage. [Wide Use]Kit Extract eur Vis is suitable for removing all kinds of damaged screws. It is suitable for drill bits and common screws or bolts of any size. It is the preferred choice of carpenters, construction workers and DIY enthusiasts.