Tough carbon steel tap and die set for cleaning and cutting internal/external threads. Includes Bar type and 'T' type tap wrenches, die handle, screwdriver, screw pitch gauge and storage case. 16 metric taps and 16 metric dies: 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, M6 x 1, M7 x 0.75, M7 x 1, M8 x 1, 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.