Toolcraft hss m3 m12 hand taps 21 piece set toolcraft 821396 p this set of hss hand taps from toolcraft includes 21 pieces in a sturdy attractive steel box featuring a central bottoming tap and the following pieces m3 m4 m5 m6 m8 m10 m12 p toolcraft 821396 hss hand taps m3 m12 21 piece