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: double-ended tap wrench (x2), tap wrench with screw retention (x2), T-type tap wrench. Supplied in heavy-duty storage case. 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.