[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 invert to extract it. [Package Content]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]Screw Extractor Kit 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. : -This Screw Extractor Kit is treated with titanium plating, so there is no need to worry about rust and corrosion, and after high temperature heat treatment, it is not easy to be damaged after working long-term high temperature- -Our Broken Screw Extractor can easily remove screws or bolts of any size. Material selection has higher hardness than other screw extractors and it's the tool of choice for professionals- Specification: Material: HSS 4341 Color: Gold Quantity: 6 Size: 0: Length 51mm; Drill Tip Diameter 1.9mm; Thread End Diameter 2~3mm 1: Length 51mm; Drill Tip Diameter 2.8mm; Thread End Diameter 3~5mm 2: Length 51mm; Drill Tip Diameter 3.4mm; Thread End Diameter 4~8mm 3: Length 51mm; Drill Tip Diameter 4.0mm; Thread End Diameter 5~10mm 4: Length 51mm; Drill Tip Diameter 6.2mm; Thread End Diameter 6~12mm Precautions: 1. When using or approaching power tools, please wear protective eyewear and clothing. 2. The first thing you need to pay attention to when using Screw Extractor is to make sure the tool is secure and won't move, Ensuring Safety. Package Contents: 6pcs * Broken Screw Extractor(Golden)