brand new and high quality Features: High hardness, fast cutting, wear high temperature. Spiral groove is conducive to remove crumbs, not easily broken tap. Tap the crumbs into a spiral up chip evacuation, it is more suitable for the processing of blind holes and sticky materials processing. Applicable Workpiece: tensile strength 750N / mm2 or less the low-carbon steel, copper, aluminum, magnesium alloy; anti-bonding strength 600 ~ 900N / mm2 the high-carbon steel, alloy steel, bronze, etc. Extension Rod Kit only, other accessories demo in the picture is not included. Specifications: Material: for Titanium Coated, High Speed Steel Type Size: M2 x 0.4mm M2.5 x 0.45mm M3 x 0.5mm M4 x 0.7mm M5 x 0.8mm M6 x 1mm M8 x 1.25mm M10 x 1.5mm M12 x 1.75mm Color: As pictures shown Quantity: 9pcs/set Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 9pcs/set x Screw Taps