Hey DIYers and mechanics! If you're working with metal and need to create perfect threads, this M2??0.4mm tap and die set is exactly what you need. Made from high-speed steel (HSS), these tools are built to last through tough jobs. The tap features efficient chip removal so debris clears out quickly without blocking - meaning you get smooth, clean threads every time. The round die is designed to resist breaking teeth and wears slowly for long service life. Both tools have been heat treated and tempered to handle hard materials without failing. The precision cutting action ensures your threads come out consistent and accurate, which is super important when you're working on engines, machinery, or any project where thread quality matters. The M2??0.4mm size is perfect for smaller fasteners and detailed work. Whether you're a professional mechanic or a home workshop enthusiast, having quality threading tools like these can make all the difference in your projects. They're the kind of tools you'll reach for again and again because they just work reliably. The build quality feels substantial in your hands, and the cutting edges stay sharp through repeated use. No more struggling with cheap taps that break halfway through a job - this set handles business like a pro. Your threading projects are about to get a whole lot easier and more professional-looking!