Features 【Material】: The hand tap is made of high-speed steel, durable, high wear resistance, heat resistance, and long service life. 【Size】: There are 10 different sizes of taps from M1 to M3.5: M1, M1.2, M1.4, M1.6, M1.7, M1.8, M2, M2.5, M3, M3. 5. It can be used for tapping various threads. 【Design】: The tap is designed with a standard thread pitch, which is clear and neat without burrs. 【Easy to Use】: With these robotic hand taps, you will have a smooth tapping experience. 【Application】: These machine hand taps are used for machining nuts or other common threads on machines. Maxmartt 10pcs Mini M1 to M3.5 Machine Hand Tap Thread Wire Tapping Threading Taps Specifications:Material: high speed steelSize:M1, M1.2, M1.4, M1.6, M1.7, M1.8, M2, M2.5, M3, M3.5(Coarse thread)Quantity:10 pcsWeight:16g Package Included:10 x  Machine Hand Tap(Coarse thread) Package List