The DIE RRHSP 1 1/2-11 1/2 X 3 NPT from Field Tool Supply is a high-quality threading die designed for precision cutting of internal threads. This die features a 1 1/2-11 1/2 NPT size, making it ideal for various plumbing and industrial applications. Constructed from durable materials, it ensures longevity and reliability in demanding environments. The die is compatible with standard NPT fittings, adhering to ANSI standards for thread compatibility. Its dimensions allow for easy handling and effective threading, making it a must-have for professionals in the field.