1,Excellent Bearing Steel Material: Excellent bearing steel material bring fast tapping speed, high hardness and long service life 2,Anti Slip Lines: The surface of the reamer is designed with anti slip lines, which makes the hand grip more powerful and the tapping more stable 3,Clear Thread, Standard Pitch: These taps come with clear thread, standard pitch, which bring accurate tapping 4,7 Tap Specifications: Seven tap specifications of M3x0.5, M4x0.7, M5x0.8, M6x1, M8x25, M10x5, M12x75, which can meet daily use 5,For Machines With Metric Thread: Suitable for auto repair, home and machines with specified metric thread, very practical Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.