The DIE RRSHS 3 1/8-4 X 5 OD from Field Tool Supply is engineered for precision in threading. Featuring a thread size of 3 1/8-4 and an outer diameter of 5 inches, this die is suitable for a variety of metalworking applications. Constructed from durable materials, it ensures long-lasting performance and reliability. This die is compatible with standard threading equipment and adheres to industry standards, making it a reliable choice for professionals and hobbyists alike. Essential for creating accurate threads in metal components, it is a valuable addition to any workshop.