Feature●√High-quality material: Made of industrial-grade GCr15 bearing steel, which ensures the firmness of the tool, as well as the better cutting performance of the tool, which effectively improves the service life of the product●√Manufacturing Process: All cutting teeth are precision CNC machined and precision heat treated to Rockwell 60 HRC for optimum thread performance, with smooth ground surfaces to reduce friction damage to tools●√Packaging：1 die handle|1 T-tap wrench|2 screw-pitch Gauge|1 screwdriver|1 tap wrench|1 long handle adjust able tap wrench|M3*0.5 M4*0.7 M5*0.8 M6*1 M7*1 M8*1.25 M9*1.25 M10*1.5 M10*1 M12*1.75|4-40 6-32 8-32 10-32 10-24 12-24 1/4-20 1/4-28 5/16-18 5/16-24 3/8-16 3/8-24 7/16-14 7/16-20 1/2-13 1/2-20 1/8-pipe tap●√ Versatile Applications: Ideal for creating new threads or repairing damaged threads on most metals such as carbon steel, cast iron, aluminum, brass, copper and stainless steel●√Rest assured to use: Please pay attention to protect yourself when using (bring gloves to prevent hand wear), if you have any questions, you can contact us in time, we will reply within 24 hoursDescription Made of high-quality hardened alloy steel, durable and superior strength. Suitable for cutting steel, copper, aluminum, cast iron and other materials. Suitable for re-threading of fasteners and fastener holes, cutting or updating of internal and external threads. Precision milling of SAE and metric taps and molds are used for cutting raw materials or repairing existing threads, removing screws, etc. All cutting teeth are precisely CNC machined and accurately heat treated to Rockwell hardness 60 HRC for best threading performance. Heavy-duty plastic suitcase, easy to transport, safe storage, quick to organize, prevent accessories from falling off.