Taps & Die Sizes Included. Metric Size - 36 PC. Set - 3 to 12mm - Includes Coarse and Fine Threads. Consisting of the following sizes: 1 each Tap and 1 each Round Die 3mm-0.5, 3mm-0.6, 4mm-0.7, 4mm-0.75, 5mm-0.8, 6mm-1.0, 7mm-1.0, 8mm-1.0, 8mm-1.25, 10mm-1.25, 11mm-1.50, 12mm-1.50, 12mm-1.75, 1/8 NPT. Also includes: 3 Tap Wrenches, 1 Die Stock (1” O.D.), 1 Screw Pitch Gauge, 1 Screwdriver.