Features:This set of taps and dies are made of carbon steel for durability and long service lifeWrenches arevery convenient and practicaland they are 5 wrenches in thisset.Adjustable wrench can easily and firmly clamp taps or dies. Mainly used for hand tapping and threading operation.This set contains many taps and dies in different size for various tapping and threading.It is a great tool set used to cut or form the female and male portion of nuts or bolts.Specifications:Material: Carbon SteelStandard: Metric Dies: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, M18x1.5Die Wrenches: M25, M38Tap Wrenches: M3-M12, M6-M20Taps(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, M18x1.5Package Includes:2 x Die Wrenches35 x Dies2xTapWrenches70 x Taps1 x T Wrench.