Features Durable: This set of taps and dies are made of carbon steel for durability and long service life Convenient: Wrenches are very convenient and practical and they are 5 wrenches in this set Adjustable Wrench: Adjustable wrench can easily and firmly clamp taps or dies. Mainly used for hand tapping and threading operation Use: This set contains many taps and dies in different size for various tapping and threading Works Well: It is a great tool set used to cut or form the female and male portion of nuts or bolts Specifications: Material: Carbon SteelStandard: MetricDies: M2x0.4, M3x0.5, M4x0.7, M5x0.8, M6x0.75, M6x1, M7x0.75, M7x1,M8x0.75, M8x1, M8x1.25, M9x0.75, M9x1, M9x1.25, M10x0.75, M10x1, M10x1.25, M10x1.5,M11x0.75, M11x1, M11x1.25, M11x1.5, M12x0.75, M12x1, M12x1.25, M12x1.5, M12x1.75,M14x1, M14x1.25, M14x1.5, M14x2,16x1, M16x1.5, M16x2, M18x1.5 Die Wrenches: M25, M38 Tap Wrenches: M3-M12, M6-M20 Taps(2pcs each size): M2x0.4, M3x0.5, M4x0.7, M5x0.8, M6x0.75, M6x1, M7x0.75, M7x1,M8x0.75, M8x1, M8x1.25, M9x0.75, M9x1, M9x1.25, M10x0.75, M10x1, M10x1.25, M10x1.5,M11x0.75, M11x1, M11x1.25, M11x1.5, M12x0.75, M12x1, M12x1.25, M12x1.5, M12x1.75,M14x1, M14x1.25, M14x1.5, M14x2, M16x1, M16x1.5, M16x2, M18x1.5 Package Includes: 2 x Die Wrenches35 x Dies 2 x Tap Wrenches70 x Taps1 x T Wrench Package List