11900870017 - 29 pieces - 12 DIN352 GUN STEAM HSS taps + 12 HSS dies Ø 25.4 M3 to M12 + 2 tap wrenches + die holder + accessories
11900870001 - 31 pieces - 7 sets of 3 DIN352 HSS taps + 7 HSS 25.4 dies M3 to M12 - Tap wrench no. 1.5, 1 die holder 25.4 + 1 deburring cutter TECHNIC