This Draper 79204 52 Piece Tap and Die Set is manufactured from carbon steel, making taps and dies suitable for cleaning and cutting threads on mild steel and aluminium. Supplied complete with the correct drill bits for tapping, the contents are held in a plastic insert within a steel storage case. Carton packed. Contents: - 7 metric dies size: 3 x 0.5, 4 x 0.7, 5 x 0.8, 6 x 1.0, 8 x 1.25, 10 x 1.5 and 12 x 1.75 - 1" O/D - 5 UNF dies sizes: 1/4, 5/16, 3/8, 7/16 and 1/2 - 1" O/D - 2 BSP dies size: 1/8" and 1/4" - 1" O/D - 14 metric taper taps: sizes as dies - Tap wrench - American pattern 1/2" capacity - Tap wrench 1/4" capacity - Die holder 1" O/D with guide - 13 HSS twist drills size: 2.5, 3.3, 4.2, 5.0, 5.5, 6.8, 6.9, 8.5, 8.8, 9.9, 10.3, 11.4 and 11.8mm - Screw pitch gauge - Screwdriver - Centre punch - 5 screw extractors Nos. 1, 2, 3, 4 and 5