Feature:1. Drilling and tapping integrated compound taps to effectively improve efficiency2. Hex shank spiral tapping, which is firm and durable, easy to operate, clamping and tightening3. High-speed steel containing cobalt HSS CO material, significantly improve wear resistance and cutting performance4. Complete specifications from M3--M10, a variety of specifications are available5. This product is suitable for various materials such as iron, copper, aluminum, etc.Specification:Item Type: Multifunctional Compound Tap ScrewdriverMaterial: Aluminum NitrideOptional Model: M3 X 0.5 (TIAIN), M4 X 0.7 (TIAIN), M5 X 0.8 (TIAIN), M6 X 1 (TIAIN), M8 X 1.25 (TIAIN), M10 X 1.5 (TIAIN), M3-M10 6Pcs Sets(TIAIN).Package List:1 X Multifunctional Compound Tap Screwdriver