Draper Tap and Die Set (37 Piece)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. Carton packed. Contents: 8 metric dies size: 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 metric taper taps: sizes as dies 8 metric plug taps (bottoming): sizes as dies tap