Feature: * Brand new unused * The taps are designed with spiral flutes and the removal process would be better. * Chamfering hole oacute;w, easy to operate, available tapping machine, hand drill, bench drill, hex shank. * Machining: wood, plastic, aluminum, tin alloy, magnesium alloy, workpiece under 5mm. * There are totally 6 pieces of faucet in different sizes from M3 to M10, which can be used to tap different threads. Specification: Product Name: Titanium Plated Metric Thread Hex Shank Material: Metal Color: Blue (as picture show) Tap Diameter: M3, M4, M5, M6, M8, M10 Quantity: 6pcs Package includes: 6* tapping drill bit Note: 1 .Manual measurement, please allow a little 1~2mm error, thank you. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please allow slight color difference.