Manufactured from tungsten steel. Taps and dies suitable for cleaning and cutting threads on mild steel and aluminium. Packed in blow mould case with display sleeve.|20 x Metric dies: 6 x 1.0, 6 x 0.25, 8 x 1.25, 8 x 1.0, 10 x 1.25, 10 x 1.5, 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 1.5, 18 x 2.5, 20 x 1.5, 20 x 2.5, 22 x 1.5, 22 x 2.5, 24 x 1.5, 24 x 3.0mm20 x Metric taps: 6 x 1.0, 6 x 0.25, 8 x 1.25, 8 x 1.0, 10 x 1.25, 10 x 1.5, 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 1.5, 18 x 2.5, 20 x 1.5, 20 x 2.5, 22 x 1.5, 22 x 2.5, 24 x 1.5, 24 x 3.0mm1 x Tap wrench1 x 'T' type tap wrench1 x Die holder1 x Die adaptor1 x Screwdriver