Milwaukee 1/8"-27 NPT 1-Inch Hex Threading Die is precision engineered to create or repair clean and accurate external threads. This threading die features long-lasting laser-etched sizing for clear markings and a protective Black Oxide coating that enhances corrosion resistance. Its 1-inch hex shape is compatible with the Milwaukee Hex-LOK™ 2-in-1 Threading Handle as well as all standard 1-inch hex die stocks, making it a versatile addition to your toolkit. Designed for durability, it is i for cutting threads in common metal materials such as brass, aluminum, and mild steel. For optimal performance, it is to use this threading die with cutting fluid. Model Number: 49-57-5389