This 37 piece tap and die set contains a variety of taps and dies suitable for cleaning and cutting threads on mild steel and aluminium The Draper 79203 Tap & Die Set contains a variety of metric dies and taps suitable for cleaning and cutting threads on mild steel and aluminium. They are made from high-quality carbon steel. The correct drill bits for tapping are also included in this kit. The ideal solution for a variety of applications. Features: 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 a steel storage case Comes With: 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 American pattern tap wrench 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 Specification: Pack Qty: 37 piece