Precision machined, high quality alloy steel taps and dies.35 Dies are split to allow the fine adjustment of core diameter.Set includes Taper and Plug taps for each size.Contents: Fine Tap and Dies: 6 x 0.75, 7 x 0.75, 8 x 0.75, 9 x 0.75, 10 x 0.75, 10 x 1, 11 x 0.75, 11 x 1, 12 x 0.75, 12 x 1, 14 x 1, 14 x 1.25, 16 x 1mm, Coarse Tap and Dies: 2 x 0.4, 3 x 0.5, 4 x 0.7, 5 x 0.8, 6 x 1, 7 x 1, 8 x 1, 8 x 1.25, 9 x 1.0, 9 x 1.25, 10 x 1.25, 10 x 1.5, 11 x 1.25, 11 x 1.5, 12 x 1.25, 12 x 1.5, 12 x 1.75, 14 x 1.5, 14 x 2.0, 16 x 1.5, 16 x 2.0, 18 x 1.5mm, Double-Ended Tap Wrench (x2), Tap Wrench with Screw Retention (x2), T-type Tap Wrench.Supplied in heavy-duty storage case.