Professional tool for commercial or occasional use. Includes Taper, Intermediate and plug taps and a die for each size. Complete with metal storage case for easy storage and transportation. In metal working, the use of a tap lubricant is essential to achieve cleanly formed threads and to minimize friction or breakages. Also includes 195mm tap wrench, 205mm die wrench, screwdriver and Metric thread gauge. Set Includes The Following Dies: M3 x 0.5 M4 x 0.7 M5 x 0.8 M6 x 1.0 M8 x 1.25 M10 x 1.5 M12 x 1.75 Taps: 3 x M3 x 0.5 Taper, Intermediate and Plug 3 x M4 x 0.7 Taper, Intermediate and Plug 3 x M5 x 0.8 Taper, Intermediate and Plug 3 x M6 x 1.0 Taper, Intermediate and Plug 3 x M8 x 1.25 Taper, Intermediate and Plug 3 x M10 x 1.5 Taper, Intermediate and Plug 3 x M12 x 1.75 Taper, Intermediate and Plug Accessories: Tap wrench Die wrench Screwdriver Screw pitch gauge.