Need to cut or repair 7/8-20 NS threads? This carbon steel hex die is a single, brand new tool ready for the job. It’s a 1-5/8 inch hex size, made by A-1 (part number 416-05620), and uses the SAE measurement system. Great for threading rods, bolts, or pipes in workshops, automotive, or fabrication projects. Carbon steel offers good durability for general use. No warranty is mentioned, but it’s new and should perform as expected. Since the country of manufacture is unknown, it’s likely an aftermarket or generic die—still functional for many tasks. Always use cutting oil and proper technique to extend the die’s life. Whether you’re a machinist, mechanic, or hobbyist, having the right die on hand saves time and frustration. A solid addition to your threading toolkit.