Milwaukee 9/16"-18 NF 1-7/16" Hex Threading Die is expertly crafted for creating or repairing clean and precise external threads. This threading die is precision machined to ensure accuracy and durability, making it i for use on a variety of metals such as brass, aluminum, and mild steel. It features long-lasting laser-etched sizing for clear, easy-to-read markings and is coated with a protective Black Oxide finish to resist corrosion. The large 1-7/16” hex shape fits ly with 1-7/16” die stocks or can be used with wrenches for added convenience. For optimal performance, it is to use this threading die with cutting fluid. Model Number: 49-57-5368