[High-Quality Materials]: This metric tap set is made of high-quality hardened alloy steel, improving product hardness, wear-resistance, and increasing product service life, durable and superior strength.[Excellent Performance]: Suitable for re-threading fasteners and fastener holes, cutting or updating internal and external threads. Fully ground & high-precision tap is sharp for tapping and chip removing operation, running smoothly and efficiently.[Versatility]: Tapered Teeth Design starts threading more easily and smoothly, and prevents over-threading. Suit for creating new threads or repairing damaged threads on metals like carbon steel, cast iron, aluminum and stainless steel.[Common Sizes in Metric]: 17 Dies & Taps: M3-M12; NPT Dies & Taps: 1/8-27; (1)Screw Pitch Gauge (1) SCREWDRIVER (1) "T" HANDLE TAP WRENCH (1) Tap wrench (1)Die Wrench Handle (1) Die Winch[Portable Case]: Each tap and dies set is equipped with a plastic toolbox which is engraved with corresponding scales. And its convenient to store them in the case to prevent dust.Our durable and reliable 110-piece tap and die set includes Metric coarse and fine sizes,super-hard & high-precision, and can offer you excellent performance in applications like machine tools, precision modules, transformers, etc.TapsM3X0.5 M4X0.7 M5X0.8 M6X0.75 M7X0.75 M8X1.0 M10X1.25 M12X1.5 1/8NPTDiesM3X0.6 M40.75 M5X0.9 M6X1.0 M7X1.0 M8X1.25 M10X1.5 M12X1.75 1/8NPT1 Screw Pitch Gauge1 SCREW DRIVER1 1/4 "T" HANDLE TAP WRENCH1 Tap wrench:M3-M121 Die Wrench HandleM25)1 Die Winch