Taps & Die sizes Included. Fractional & Metric Sizes - 60 PC. Set in plastic case. Includes Coarse & Fine Threads. Consisting of the following sizes: 1 each Plug Tap and Round Die #4-40, #6-32, #10-24, #12-24, 1/4-20, 5/16-18, 3/8-16, 7/16-14, 1/2-13, #10-32, 1/4-28, 5/16-24, 3/8-24, 7/16-20, 1/2-20, 1/8 NPT, 3mmx0.50, 4mmx0.70, 5mm x0.80, 6mmx1.01, 7mmx1.02, 8mmx1.25, 9mmx1.25, 10mmx1.00, 10mmx1.50, 12mmx1.75. Outside diameter of round dies: 1/4 to 3/8 - 1” O.D., 7/16 to 5/8 - 1-1/2” O.D., 3/4 TO 1 - 2” O.D. Also Includes: 2 Straight Tap Wrenches. and 3 Die Stocks: 1”, 1-1/2” and 2”.