The 5"-6" NPT Dies for PVC from Rex International USA Inc are designed for creating precise threaded connections in larger PVC piping systems. These high-quality dies ensure clean and accurate threading, essential for secure fittings in plumbing and industrial applications. Compatible with standard NPT threads, they are perfect for a variety of projects. The robust construction guarantees durability and long-lasting performance, making them ideal for both professionals and DIY enthusiasts. This set is essential for anyone working with larger PVC pipes, ensuring reliable and efficient installations.