Made from alloy tool steel, ensuring exceptional hardness and wear resistance for long-lasting performance. devised for ​All-purpose​ threading, these round dies can effectively process, correct, or clean external threads, making them ideal for maintenance and repair tasks. Features a conical locking hole for strong locking, preventing loosening during use, perfect for re-threading existing threads in hard materials like metal. Easy to use with a clear positioning groove that aligns with the fastening screw, allowing for straightforward operation and precise threading. Versatile for both metal and soft materials like Reusableplastic, making it an essential tool for DIY enthusiasts and professionals alike., Manufacturer: Coal2ToalPW