High-quality material: Made of high-quality chrome vanadium steel, heat-treated, rust-free, durable, and designed with deep and wide threads, long service life. The damaged screwdriver can be used in combination with a drill. Sturdy and durable: Our high-quality carbon steel forged by the broken screw is forged, heat-treated, durable, not easy to break, and has a long service life. Standardized interface design: The broken wire extractor uses the standard caliber design of the pole, which is practical and versatile. User-friendly design is more efficient and comfortable for your use. Easy to use: First drill a hole in the center of the damaged screw, use a hammer to gently tap the broken screw extractor into the drilled hole, and turn it counterclockwise with a wrench to remove the broken screw. Widely use: Suitable for maintaining household, office, factory and so on.