This should cover most general metric thread cutting requirements. A 41 piece metric coarse and metric fine tap and die set, good value and great to have to hand ready for the occasional threading jobs. The set consists of second taps and dies in M3 x 0.5, M4 x 0.7 & 0.75, M5 x 0.9, M6 x 1, M7 x 1, M8 x 1 & 1.25, M9 x 1.25, M10 x 1.25 & 1.5, M11 x 1.5 and M12 x 1.5 & 1.75 plus a bonus tap and die 1/8" BSP. There are three sizes of die holder, three tap wrenches and a 16 leaf thread gauge.