includes machine taps short: 1x M3, M4, M5, M6, M8, M10 and M12, dies: 1x M3, M4, M5, M6, M8, M10 and M12, twist drills core hole dimensions: 1x ø 2.5, 3.3, 4.2, 5.0, 6.8, 8.5, 10.2 mm, 1x tap wrench with ratchet, size 1, 1x tap wrench, size 2, 1x die holder, size ø 25x9 MM, 1x thread gauge (metric)