IRWIN® Hanson® 66 piece metric combination tap and die set include metric plug tap and 5/8" hexagon dies in sizes 3 mm - 0.50, 4 mm - 0.70, 4 mm - 0.75, 5 mm - 0.80, 5 mm - 0.90, 6 mm - 1.00 metric plug tap and 1" hexagon dies in sizes 7 mm - 1.00, 8 mm - 1.00, 8 mm - 1.25, 9 mm - 1.00, 9 mm - 1.25, 10 mm - 1.25, 10 mm - 1.50, 11 mm - 1.50, 12 mm - 1.50, 12 mm - 1.75 metric plug tap and 1 7/16" hexagon dies in sizes 14 mm - 1.50, 14 mm - 2.00, 16 mm - 1.50, 16 mm - 2.00, 18 mm - 1.50, 18 mm - 2.50 metric plug tap and 1 13/16" hexagon dies in sizes 20 mm - 2.50, 22 mm - 1.50, 24 mm - 2.00, 24 mm - 3.00 pipe thread plug tap and 1" hexagon dies in sizes 1/8" - 28 BSP. Set also include threading tools like 1" adjustable die stock, 1 7/16" and 1-3/16" hexagon adjustable die stock, 5/8" hexagon plain die stock, T-handle wrench - taps No. 0 - 1/4", adj. handle tap wrench taps No. 0 - 1/2", adj. handle tap wrench - taps No. 1/4 - 1/2", two-in-one tap wrench - taps 1/4 - 1/2" and 16 leaf metric thread pitch gauge.