The DIE RRSHS 3 1/8-8 X 5 OD by Field Tool Supply is designed for precision threading applications. With a thread size of 3 1/8-8 and an outer diameter of 5 inches, this die is ideal for various metalworking tasks. Made from high-quality materials, it ensures durability and reliability in demanding environments. The die is compatible with standard threading tools and meets industry standards, making it a trusted choice for professionals. Perfect for creating accurate threads in metal components, it is a must-have tool for any workshop.