Package included: A set of 40 pieces: Containing a tap and a die in each of the following sizes: Tap: 16pcs (2pcs each type) M3X0.5 M4X0.7 M5X0.8 M6X0.75 M7X0.75 M8X1.0 M10X1.25 Die: 16pcs (2pcs each type) M3X0.6 M40.75 M5X0.9 M6X1.0 M7X1.0 M8X1.25 M10X1.25 Features: All brand new and high quality Suitable for cleaning mild steel or aluminum and home decoration, construction, auto repair, factory work. Made from high quality alloy. The taps are suitable for cleaning and re-threading mild steel and aluminum materials, this set is not supplied with taper taps for threading new holes. Comes with plastic storage case1/8 NPT Plus: Adjustable tap wrench 1/2 long handle 2x 1/4 "T" handle tap wrench 1x Die handleM25 1x screwdriver 1x screw pitch gauge 1x key ringM25)