8PCS Metric Tap Set is made of high-quality high-speed steel with excellent hardness and durability, and excellent thread processing capabilities. High-speed steel material High-quality high-speed steel material is selected to ensure high hardness and long-term durability, providing reliable for thread processing. Comprehensive size range The set contains 8 commonly used sizes of thread taps from M3 to M12, with moderate lengths and suitable for various engineering needs. Excellent performance The thread tap adopts a spiral point design, which can complete thread processing quickly and accurately, while achieving chip cutting and thread processing at the same time. Multifunctional design Equipped with an adjustable tap wrench with a longer handle, providing a larger operating lever and suitable for thread processing needs in different scenarios. Wide range of application Suitable for soft metals, such as aluminum plates, iron plates, etc., widely used in machinery manufacturing, car maintenance, home DIY and other fields. Precision threading Each tap is precision machined to ensure accuracy and consistency when cutting threads, providing an efficient threading experience. Comprehensive size range: Includes 8 commonly used sizes, from M3 to M12, to meet various thread processing needs. The dimensions and lengths of thread taps are: M3*0.5, M4*0.7, M5*0.8, M6*1.0, M8*1.25, M10*1.5, M12*1.75 Metric tap lengths: 46mm (M3), 52mm (M4), 60mm (M5), 62mm (M6), 70mm (M8), 75mm (M10), 82mm (M12) (approximately) The Length of straight tap wrench is 196mm/ 7.72in