Versatile Application: Perfect for threading, correcting, and cleaning external threads, making it an essential tool for maintenance and repair tasks. Durable Construction: Crafted from high-speed steel (HSSE) for exceptional hardness and wear resistance, ensuring long-lasting performance in tough conditions. Enhanced Features: devised with a conical locking hole to prevent loosening during use, ideal for re-threading hard materials like metal and creating new threads in softer materials like . User-Friendly devise: The positioning groove aligns easily with the fastening screw in the die wrench, allowing for straightforward operation and efficient threading. Comprehensive Set: Includes 2 adjustable round dies compatible with various inch taper pipe thread sizes (PT 1/16-28, 1/8-28, 1/4-19, 3/8-19, 1/2-14), making it a must-have for metalworking enthusiasts and professionals., Manufacturer: YHNGNYNZAN