ITEM NAME:10pcs Micro Machine Tap Clock Watch Watchmaker Repair Tools Screw Thread M1-M3.5 Descriptio n Description: Made of high speed steel with high wear and heat resistant. No burr, provide rapid chip removal for efficient threading and smooth tapping. This thread tap set metric mainly used for clocks and watches, and low hardness of wood and soft metal and plastic hole processing. Specifications: Material: High Speed Steel Size: M1, M1.2, M1.4, M1.6, M1.7, M1.8, M2, M2.5, M3, M3.5 Package Included: 10 * Micro Taps Note: 1. Manual measuring, please allow 1-3mm error,thank you. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture. We offer you what you need! 10pcs M1-M3.5 Micro Tap Clock Watch Watchmakers Repair Tools Metal Screw Thread.Size: M1, M1.2, M1.4, M1.6, M1.7, M1.8, M2, M2.5, M3, M3.5. No burr, provide rapid chip removal for efficient threading and smooth tapping. We'd like to settle any problem in a friendly manner. Made of high speed steel with high wear and heat resistant.