Product name: 12PC Metric Tap and Die Set [Professional Tapping and Threading Tool Set] This 12-piece metric tap and die set is designed to meet various hardware processing needs and is suitable for hand tapping and threading operations. Both professional technicians and DIY enthusiasts can benefit from it. [Multi-function tool configuration] Taps: Contains metric taps of various specifications, suitable for threaded holes of different diameters. Dies: Equipped with corresponding dies, used for the production of external threads to ensure accuracy and consistency. Wide range of applications: Suitable for tapping and threading operations of various materials such as steel, aluminum alloy, and plastic. [High-quality materials] All tools are made of high-quality high-speed steel (HSS) and are precision-machined and heat-treated to ensure that the tools have excellent wear resistance and corrosion resistance, extending their service life. [Precision processing] Each tap and die undergoes strict quality control to ensure high precision and stability, helping you achieve flawless thread processing results. [Ergonomic design] The handle part adopts an ergonomic design, which is comfortable to hold, reduces hand fatigue during long-term use, and improves work efficiency. [Portable storage] It comes with a dedicated portable storage box with a reasonable internal layout to ensure that all tools are stored neatly and orderly. It is very convenient whether it is placed on the workbench or carried out. [Widely applicable] It is suitable for a variety of scenarios such as mechanical processing, automobile maintenance, mold manufacturing, and home DIY. Whether it is simple thread processing or complex engineering projects, this set of tools can provide you with a reliable solution. Packing list Metric taps (various specifications) *Multiple pieces Dies (corresponding specifications) *Multiple pieces Special storage box *1