Engineering: Equipped with CNC machined cutting teeth and a hardness of 60 HRC, our tools provide superior threading performance. The straight fluted design ensures efficient chip removal and prevents blockage, enhancing your threading efficiency. Comprehensive Set: This x 1.25mm metric tap and die set includes a -crafted tap and a matching round die, both featuring a pitch of 1.25mm. Ideal for creating new threads or repairing existing on various metals. Versatile Applications: Suitable for threading tasks on a multitude of metals including brass, copper, carbon steel, stainless steel, and aluminum. For optimal results, we recommend using a suitable lubricant to ease the threading process and extend tool life., Weight: 0.18959754532 Pounds, Manufacturer: Aboiled