Description: Features: brand new and high quality Used for machining nuts or other common thread on the machine. Machine tap is usually used to refer to the tap of high speed steel. Suitable for tapping on the machine tool. Adopting high speed steel with high wear and heat resistant, which is durable and has long service life. 10 different sizes from M1 to M3.5 that you can use for tapping various threads. Standard thread distance design, clear and tidy, no burr. With these machine hand taps, you will have a smooth tapping experience with them. Specification: Material: High-speed Steel Type Size: 1# M1, 2# M1.2, 3# M1.4, 4# M1.6, 5# M1.7, 6# M1.8, 7# M2, 8# M2.5, 9# M3, 10# M3.5 Dimensions: approx. 1#: 1x0.25mm(0.04x0.01in), length: 3.5cm(1.38in) 2#: 1.2x0.25mm(0.05x0.01in), length: 3.6cm(1.42in) 3#: 1.4x0.3mm(0.06x0.01in), length: 3.6cm(1.42in) 4#: 1.6x0.35mm(0.06x0.01in), length: 3.3cm(1.30in) 5#: 1.7x0.35mm(0.07x0.01in), length: 3.5cm(1.38in) 6#: 1.8x0.35mm(0.07x0.01in), length: 3.2cm(1.26in) 7#: 2x0.4mm(0.08x0.02in), length: 4cm(1.57in) 8#: 2.5x0.45mm(0.1x0.02in), length: 4.5cm(1.77in) 9#: 3x0.5mm(0.12x0.02in), length: 5.5cm(2.17in) 10#: 3.5x0.6mm(0.14x0.02in), length: 5.5cm(2.17in) Color: Silver Quantity: 1 pc Note: Transition: 1cm=10mm=0.39inch No retail package. Please allow 1-3mm 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: 1 x Screw Tap(other accessories demo in the picture is not included.)