31 pieces mini metric HSS tap and die set. The set includes the following: M1.0 x 0.25, M1.1 x 0.25, M1.2 x 0.25, M1.4 x 0.3, M1.6 x 0.35, M1.8 x 0.35, M2.0 x 0.4, M2.2 x 0.45, M2.5 x 0.45 HSS taper tap, plug tap and HSS die, Tap and die holder/ reducer, adapter.