Milwaukee M9-1 mm Metric 1" Hex Threading Die is the tool for creating or repairing precise external threads. Precision machined and built to last, this hex die features long-lasting laser-etched sizing for clear identification and a protective Black Oxide coating that ensures corrosion resistance. Its 1” Hex shape is compatible with the MILWAUKEE® Hex-LOK™ 2-in-1 Threading Handle and all standard 1” Hex Die stocks, providing versatility. Engineered for durability, this threading die is designed to cut threads in various metal applications, including brass, aluminum, and mild steel. For results, it is to use cutting fluid during operation to achieve clean, accurate threads. Model Number: 49-57-5349