Sturdy Tungsten Alloy Steel: Gunpla tap and die set is made of hardened tungsten alloy steel. These heat-treated taps and dies with accessories are manufactured to be very hard, with high strength and improved durability to be used for several years without replacement. Easy Threading and Tapping: With this metric tap and die set, easily use the taps to cut a thread inside a hole or form female portions of mating tools like nuts. The sturdy dies cut or form a male part like bolts. Our tap and die set is designed to help perfectly cut new damaged internal and external threads. Widely Applicable Taps and Dies: These high-quality taps and dies can thread any metal with efficient results. Solid metals that can be tapped or threaded include aluminum, brass, carbon alloy steel, cast iron, and bronze. This hardened thread die set is relatively easy to use, offering less fatigue, and has high resistance to corrosion and wear. Package Contents: This tap and thread die set includes 9 metric dies; M3 x 0.5, M4 x 0.7, M5 x 0.8, M6 x 1.0, M7 x 1.0, M8 x 1.25, M9 x 1.25, M10 x 1.5, M12 x 1.75 mm. and 9 metric taps S: M3 x 0.5, M4 x 0.7, M5 x 0.8, M6 x 1.0, M7 x 1.0, M8 x 1.25, M9 x 1.25, M10 x 1.5, M12 x 1.75 mm. In this tap set, a die holder and a tap wrench have been added to complete the set and help you make your tasks more convenient. Convenient Storage and Accessories: Our 20-piece tungsten steel tap and die set comes in a perfectly designed sturdy storage case that has its interior molded to fit each piece and keep it safe. Delivered Quantity: 1 Set