The Milwaukee 1-7/16 in. hex threading dies are precision machined for creating or repairing clean, accurate (external) threads. The hex dies feature long-lasting laser-etched sizing for the clearest markings and include a protective black oxide coating for corrosion resistance. The large 1-7/16 in. hex shape is compatible with 1-7/16 in. die stocks or for use with wrenches. Engineered for durability, the Milwaukee 1-7/16 in. hex dies are designed for cutting threads in the most common metal applications including brass, aluminum, mild steel, and more. For best results, use hex dies with cutting fluid.