IRWIN Metric Tap and Hex Die Set, Steel, Number of Pieces: 41, Includes: 3 mm-0.5, 4 mm-0.7, 4 mm-0.75, 5 mm-0.8, 5 mm-0.9, 6 mm-1 5/8 in Hexagon Dies and Metric Plug Tap, 7 mm-1, 8 mm-1, 8 mm-1.25, 9 mm-1, 9 mm-1.25, 10 mm-1.25, 10 mm-1.5, 11 mm-1.5, 12 mm-1.5, 12 mm-1.75 1 in Hexagon Dies and Metric Plug Tap, 1/8-28 BSP Threading Tools 1 in Hexagon Dies and Pipe Thread Plug Tap, 1 in Adjustable Die Stock, 5/8 in Hexagon Plain Die Stock, Taps No. 0 to 1/4 in Adjustable Handle Tap Wrench, 1/4 to 1/2 in Two-in-One Tap Wrench, 16 Leaf Metric Thread Pitch Gauge, Empty Plastic Case