[High-Strength Material] Cassette 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, recess, rust, etc. [Method of Use]Use a Screw Extractor suitable size to install on the electric drill, use one end of the drill bit to reverse drill a small hole on the screw head, then use the other end to drill to a certain depth, and finally reverse to extract it . [Package Contents]You will receive 6pcs Screw Extractor, a total of 5 specifications, can handle a variety of screw types, support toolbox storage, convenient for your use and your 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. worry about rust and corrosion, and after high temperature heat treatment, it is not easy to be damaged after long-term high temperature work 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 will not move, Ensure safety. Package Contents: 6pcs * Extractor of Broken Screws(Gold)