Taper Taps, Bottoming Taps & Die Sizes Included. Fractional & Metric Sizes - 110 PC. Set in plastic case. Includes Coarse & Fine Threads. Consisting of the following sizes: 1 each Plug Tap and Round Die UNC: #4-40, #6-32, #8-32, #10-24, #12-24, 1/4-20, 5/16-18, 3/8-16, 7/16-14, 1/2-13, 9/16, 5/8, 3/4. UNF: #10-32, 1/4-28, 5/16-24, 3/8-24, 7/16-20, 1/2-20, 9/16, 5/8, 3/4. UNS: 1/4-24, 1/4-32. NPT: 1/8, 1/4. METRIC: 6x1.00, 8x1.25, 10x1.00, 10x1.50, 11x1.50, 12x1.50, 12x1.75, 14x1.25, 18x1.50. Also Includes: 2 Straight Tap Wrenches, 1 T-handle Tap Wrench, 2 Die Stocks (1”, 1-1/2” O.D.)