Hand Screw Thread Metric Plug Tap Set M3-M12 Suitable for auto repair and machinery where metric threads are specified Made of high quality material, durable and practical to use Multicoated optics guarantee superior light transmission and brightness High quality and exquisite workmanship Material: Ball Bearing Steel Hand Screw Thread Tap Diameter: M3/M4/M5/M6/M8/M10/M12 Hand Screw Thread Tap Length: 48mm(M3), 50mm(M4), 58mm(M5), 60mm(M6), 63mm(M8), 65mm(M10), 75mm(M12) (Approx.) Package Content: 1 x M3 Hand Screw Thread Tap 1 x M4 Hand Screw Thread Tap 1 x M5 Hand Screw Thread Tap 1 x M6 Hand Screw Thread Tap 1 x M8 Hand Screw Thread Tap 1 x M10 Hand Screw Thread Tap 1 x M12 Hand Screw Thread Tap Pls note:ratchet tap holder wrench IS NOT include!! Note: 1.Please allow 1-3cm error due to manual measurement. Thanks for understanding! 2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.