11900970017 - 29 pieces - 12 taps + 12 dies M3 to M12 + 2 tap wrenches + 1 die holder 25.4 + accessories
11900870016 - 23 pieces - 6 HSS taps + 6 HSS dies M3 to M10 + 2 die holders + 1 die holder 25.4 + 6 HSSE5 drill bits + accessories