Manufactured from alloy 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 a steel storage case. Features and Benefits • Alloy steel • Supplied with the correct drill bits for tapping • Contents: 8 metric dies, 8 metric taper taps, 8 metric plug taps, 2 tap wrenches, die holder, 8 HSS twist drills and screw pitch gauge Contents 8 x Metric dies: 3 x 0.5, 3.5 x 0.6, 4 x 0.7, 5 x 0.8, 6 x 1.0, 8 x 1.25, 10 x 1.50 and 12 x 1.75 - 1" O/D 8 x Metric taper taps: 3 x 0.5, 3.5 x 0.6, 4 x 0.7, 5 x 0.8, 6 x 1.0, 8 x 1.25, 10 x 1.50 and 12 x 1.75 - 1" O/D 8 x Metric plug taps: 3 x 0.5, 3.5 x 0.6, 4 x 0.7, 5 x 0.8, 6 x 1.0, 8 x 1.25, 10 x 1.50 and 12 x 1.75 - 1" O/D 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 8 x HSS twist drills size: 2.5, 2.9, 3.3, 4.2, 5.0, 6.8, 8.5 and 10.3mm 1 x Screw pitch gauge