Tap & Die Expert Set. Solid tungsten steel, with machine lead-ins for accurate cutting. Includes long handle adjustable tap wrench and die handle, screwdriver, T type handle wrench and screw pitch gauge. Supplied in a strong plastic case. Tap and die sizes: M3 x 0.5, M3 x 0.6, M4 x 0.7, M4 x 0.75, M5 x 0.8, M5 x 0.9, M6 x 0.75, M7 x 0.75, M6 x 1.0, M7 x 1.0, M8 x 10, M8 x 1.25, M10 x 1.25, M10 x 1.5, M12 x 1.5, M12 x 1.75mm, 1/8” NPT die and 1/8” NPT tap.