High quality: The damaged screw extractor kit is made of high quality high speed steel (HSS 4341), with a hardness up to 63hrc, durability superior to other materials, high hardness and , so it has a good service life. Extensive applications: This screw extractor includes 6 specifications (# 0, # 1, # 2, # 2, # 3, # 4), which can remove all common sizes of fallen, broken or damaged screws. Any drill bit and all sizes of screws or can be used. Easy to use: The threaded screw extractor kit can help you remove damaged screws. First, observe the size of the damaged screw, select a screw extractor with the size, and slowly drill the hole counterclockwise with a drill bit. Second: Use a drill to pull out the insertion hole at , and then screw out the damaged screw after it is stuck. : you must have. Put this tools in the toolbox. When you have this screw remover, it can help you remove the screws damaged for any reason, so that the work can return to the path and continue. It is compatible with electric drilling tools and is suitable for any , woodworker, amateur, etc. Safety Note: always use the damaged screw extractor for slow operation. It is designed to use an electric drill to remove damaged 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.