11900170025 - 12 pieces - 6 DIN 371/6 M3 to M10 HSSE5% cobalt multi-application GUN taps + 6 TBX Blade-coated HSSE5 % cobalt drill bits - TECHNIC
11900170033 - 8 pieces - 4 DIN352 M4 to M8 STEAM GUN HSS taps + 4 buffed cut extra-short split point HSS drill bits