The DIE HRHSP 3/8-18 NPT from Field Tool Supply is a high-quality die designed for creating external threads. With a thread size of 3/8-18 NPT, this die is perfect for use in plumbing and mechanical applications. Made from durable materials, it ensures longevity and precision in threading tasks. The NPT designation indicates that this die is suitable for creating tapered threads, which are essential for ensuring a tight seal in piping systems. This tool is ideal for professionals and DIY enthusiasts looking to achieve accurate and reliable threading.