HSS thread cutting tool set for metric standard threads in a metal cassette, with taps according to DIN 352, 3-piece sets, M3-4-5-6-8-10-12, dies according to DIN 223, M3-4-5-6-8-10-12, thread gauge, die holder 20x5-20x7-25x9-30x11-38x14, tap wrench size 1 - size 2