Made of high speed steel with high wear and heat resistant, durable and has long service lifeStandard metric thread design, clear and tidy, no burr, provide rapid chip removal for efficient threadingThese micro taps mainly used for clocks and watches, and low hardness of wood and soft metal hole processingWith these machine hand taps, you will have a smooth tapping experiencePackage include total 10 pieces of taps in different sizes, M1 M1.2 M1.4 M1.6 M1.7 M1.8 M2 M2.5 M3 M3.5 that's enough for mini tappingFeature:Used for machining nuts or other common thread on the machineUsed for clocks and watches, and low hardness of wood and soft metal hole processingSpecifications:Material: high speed steel Size: M1, M1.2, M1.4, M1.6, M1.7, M1.8, M2, M2.5, M3, M3.5Quantity: 10 pcsWeight: 35gPackage Included:10 x Machine Hand Tap(Coarse thread)