Milwaukee 17PC Metric Tap and Die Set includes precision machined threading accessories and threading handles designed for the most common applications. This set features taps and dies with long-lasting laser-etched sizing for clear markings and a protective Black Oxide coating that provides corrosion resistance. The plug taps have a square shank compatible with all standard tap handles or tap wrenches and are i for through-hole threading. The hex dies, shaped with a 1” hex, fit the MILWAUKEE® Hex-LOK™ 2-in-1 Handle (sold separately) as well as all standard 1” hex die stocks. Included drill bits assist with pilot drilling and are designed for use with drill drivers. These taps and dies are for cutting threads in common metals such as brass, aluminum, and mild steel, and using cutting fluid is for results. Model Number: 49-22-5601