FUNCTION: The extractor can easily and quickly remove broken or rusty water pipes, screws, bolts and more. HIGH QUALITY MATERIAL: Made of chrome vanadium steel hard material, overall has heat treatment, so it is rustproof and sturdy. SUITABLE RANGE OF APPLICATION:These standard extractors are for right-hand pipe and studs; Suitable for large diameter pipes of 1/2 inch, 3/4 inch. SCREW REMOVING TOOL: The extractor is ideal screw removing tool for household use and professional electrician. WIDE APPLICATION: Can be used for pipe broken wire removal and cleaning purposes during pipeline maintenance.