Material: The extractor is forged by premium bearing steel, overall heat treatment, rustproof and sturdy. Portable: Come with a molded box to keep these extractors organized, clean, secure and easy to find. Function: The extractor can easily and quickly remove broken or rusty water pipes, screws, bolts and more. Package: The extractor is esigned with deep and wide threads, and includes 4mm, 4.5mm, 6.5mm, 7.5mm, 11mm, 15mm, 20mm, 25mm, 8size. Useful Tool: Ideal screw removing tool for household use and professional electrician., Weight: 1.7196056436 pounds, Manufacturer: Hyuduo