1.Professional tools: This set of screw extractors will quickly and easily remove damaged screws, pipes, bolts and studs. ^ 2.Scope of application: This set of screw extractors can quickly and easily take out damaged screws, pipes, bolts and studs. Suitable for correcting pipe threads. Very suitable for family use and professional and technical personnel, long service life.^ 3.High-quality materials: These screw extractors are made of high-quality carbon steel and can drill holes on most screws. long lasting. Some drill bits can also be used to drill holes in wood, metal, plastic, bricks and walls.^ 4.Easy to use: first drill a hole in the center of the broken screw with a suitable drill bit, and then use a suitable puller to take out the screw. The recommended drilling diameter and the extraction diameter of the broken screw are printed on the housing.^ 5.How to use: You can use the faucet handle to hold the extractor firmly; for large pullers, you can use an adjustable wrench. When removing the screws, you can use an adjustable wrench to hold the extractor firmly. Wear goggles and protective clothing near power tools.