Versatile Application: Ideal for Typical purpose threading, our round dies can effectively process, correct, or clean external threads, making them perfect for maintenance and repair tasks. Durable Construction: Crafted from alloy tool steel, these dies offer exceptional hardness and wear-resistance, ensuring long-lasting performance even under demanding conditions. Innovative devise: Features a conical locking hole for strong locking, preventing loosening during use. Perfect for re-threading existing threads in hard materials like metal and creating new threads in softer materials like Reusable Reusable Reusable Reusable Reusable Reusable Reusable Reusable . User-Friendly: devised for ease of use, simply align the positioning groove of the die with the fastening screw in the die wrench for a secure fit, allowing for efficient and accurate threading. Comprehensive Set: This set includes multiple sizes ranging from 1 inch to 1-11/16 inch, catering to a variety of threading needs, making it a must-have for any metalworking enthusiast or professional., Manufacturer: CHAOMIN