Precision machined, Tungsten steel taps and dies for creating and cleaning threads. The dies are split to facilitate fine adjustment of the core diameter. This comprehensive set covers a wide range of Metric coarse and fine thread sizes, from 6mm to 24mm. It includes a sliding jaw type tap wrench, a T-Bar type tap wrench, and a steel die holder with knurled screws for secure grip and control. The set is supplied in a heavy-duty storage case for organized and safe keeping. It is ideal for engineers and farmers needing a reliable threading solution.