Features Use of high speed steel with high wear and heat resistance, which is durable and has a long service life. With these machine hand taps, you have a smooth tapping experience. These machine hand taps are used for machining nuts or other common threads on the machine. There are a total of 10 pieces taps in 10 different sizes from M1 to M3.5, with which you can cut different threads. Standard thread spacing design, clear and neat, no burr. Descriptions: These machine hand taps use high speed steel with high wear resistance and heat resistance, which is durable and has a long service life. There are a total of 10 pieces in different sizes from M1 to M3.5, which you can use for thread cutting different threads. With these hand taps, you will have a smooth knocking experience with them. Specifications: Material: high-speed steel. Size: M1, M1.2, M1.4, M1.6, M1.7, M1.8, M2, M2.5, M3, M3.5 (coarse thread) Quantity: 10 pieces. Weight: 16g Box contents: 10 x machine hand taps (coarse thread) Package List