: The screw extractor kit is made of high speed steel (HSS 4341), with a hardness up to 63hrc, durability superior to other materials, high hardness and sharpness, so it has a good service life. Extensive applications: This screw extractor includes 6 specifications (# 0, # 1, # 2, # 2, # 3, # 4), which can easily remove all common sizes of fallen, broken or screws. Any drill bit and all sizes of screws or bolts can be used. Easy to use: The threaded screw extractor kit can help you easily remove screws. First, observe the size of the screw, select a screw extractor with the correct size, and slowly drill the hole counterclockwise with a drill bit. Second: Use a drill to pull out the insertion hole at the end, and then screw out the screw after it is stuck. Powerful tools: powerful tools you must have. Put this set of tools in the toolbox. When you have this screw remover, it can help you remove the screws for any reason, so that the work can return to the correct path and continue. It is compatible with electric drilling tools and is suitable for any mechanic, woodworker, amateur, etc. Safety Note: Please always use the screw extractor for slow operation. It is designed to use an electric drill to remove screws. To avoid removing the fault, do not use too high a speed. Material: high speed steel colour: gold Package Contents: 1 set x stripped screw remover 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.