Manufactured from carbon steel. Taps and dies suitable for cleaning and cutting threads on mild steel and aluminium. Supplied with the correct drill bits for tapping. Contents held in plastic insert within steel storage case. Features and Benefits • High carbon steel • Contents: 9 metric coarse dies, 8 metric fine dies, BSP die, 17 metric taper taps, 17 metric plug taps (bottoming), taper tap, 2 tap wrenches, die holder, drill bits for tapping, screw pitch gauge, screwdriver and 1/8" BSP tap (bottoming) Contents 9 x metric coarse dies: 3 x 0.5, 3.5 x 0.6, 4 x 0.7, 4.5 x 0.75, 5 x 0.8, 6 x 1.0, 8 x 1.25, 10 x 1.5, 12 x 1.75 - 1" O/D 8 x metric fine dies: 2 x 0.25, 3 x 0.35, 4 x 0.5, 5 x 0.5, 6 x 0.75, 8 x 1.0, 10 x 1.25, 12 x 1.25 - 1" O/D 1 x BSP die 1/8" BSP 17 x metric taper taps: 3 x 0.5, 3.5 x 0.6, 4 x 0.7, 4.5 x 0.75, 5 x 0.8, 6 x 1.0, 8 x 1.25, 10 x 1.5, 12 x 1.75 - 1" O/D, 2 x 0.25, 3 x 0.35, 4 x 0.5, 5 x 0.5, 6 x 0.75, 8 x 1.0, 10 x 1.25, 12 x 1.25 - 1" O/D 17 x metric plug taps (bottoming): 3 x 0.5, 3.5 x 0.6, 4 x 0.7, 4.5 x 0.75, 5 x 0.8, 6 x 1.0, 8 x 1.25, 10 x 1.5, 12 x 1.75 - 1" O/D, 2 x 0.25, 3 x 0.35, 4 x 0.5, 5 x 0.5, 6 x 0.75, 8 x 1.0, 10 x 1.25, 12 x 1.25 - 1" O/D 1 x taper tap 1/8" BSP 1 x tap wrench - American pattern 1/2" capacity 1 x 'T' type tap wrench 1/4" capacity 1 x die holder 1" O/D with guide 17 x HSS twist drills: 1.7, 2.5, 2.6, 2.9, 3.3, 3.5, 3.8, 4.2, 4.5, 5.0, 5.3, 6.8, 7.0, 8.5, 8.8, 10.3, and 10.7mm 1 x screw-pitch gauge 1 x screwdriver 1 x 1/8" BSP tap (bottoming)