Specifications:- Material: 45 steel quenching process- Size Compatibility: 1/2 inch and 3/4 inch threads- Adjustable Opening Range: 13-18mm- Application: Suitable for water pipe broken pipes, broken head screws, triangle valve screws, faucet angle valves Features:1. Reverse Groove Design: The unique reverse groove design ensures a strong bite on broken pieces, significantly reducing the effort required for extraction.2. High-Quality Steel Construction: Crafted from quenched 45 steel, this tool boasts a double-layer rust prevention for long-lasting use.3. Universal Fit: Designed to accommodate 1/2 inch and 3/4 inch threads, making it versatile for a variety of repair tasks.4. Hexagon Socket Reinforcement: Enhanced with hexagon socket design, offering improved torque transmission for easy and effective thread removal.5. Wide Applicability: Perfect for extracting broken pipes, screws, and angle valves in various repair scenarios, ensuring you have the right tool for the job. Package Included:1 x Broken Pipe Head Screw Extraction Faucet Angle Valve Broken Wire Extractor