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. Features and Benefits • High carbon steel • Supplied with the correct drill bits for tapping. • Contents: 7 metric dies, 5 UNF dies, 2 BSP dies, 14 taper taps, 2 tap wrenches, dies holder, screw pitch gauge, screwdriver centre punch and 5 screw extractors Contents 7 x metric dies: 3 x 0.5, 4 x 0.7, 5 x 0.8, 6 x 1.0, 8 x 1.25, 10 x 1.5, 12 x 1.75 - 1" O/D 5 x UNF dies: 1/4, 5/16, 3/8, 7/16, 1/2 - 1" O/D 2 x BSP dies: 1/8", 1/4" - 1" O/D 14 x taper taps: 3 x 0.5, 4 x 0.7, 5 x 0.8, 6 x 1.0, 8 x 1.25, 10 x 1.5, 12 x 1.75 - 1" O/D, 1/4, 5/16, 3/8, 7/16, 1/2 - 1" O/D, 1/8", 1/4" - 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 with guide 13 x HSS twist drills: 2.5, 3.3, 4.2, 5.0, 5.5, 6.8, 6.9, 8.5, 8