This versatile 6-piece screw extractor set is your go-to solution for removing stubborn, stripped, or broken screws, bolts, and studs. Made from high-quality, high-carbon steel, each tool is double-tempered for maximum hardness and durability. Features: Durable & Reliable: Crafted from high-carbon steel and tempered twice, these tools are built to last. Versatile Use: Works on a variety of screw types, including wood, machine, flat, hex, and even painted-over screws. Multiple Sizes: The set includes different sizes to handle a wide range of tasks, from small screws to large threaded pipes. Effortless Extraction: The reverse-threaded design allows for easy removal of damaged screws, bolts, and threaded pipe fittings. Effective on Multiple Surfaces: Capable of removing rusted, broken, or stuck screws from both wood and metal surfaces. How to Use: For best results, always run your drill in reverse during the screw extraction process. Note: Manual measurements may have a slight error of 1-2mm.