ITC Tap and Die Set - 24 PC - SAE | ITCHeat-TreatedRockwell hardness C58 - C61Tested for strength, hardness and cutting ability Includes:Die stockTap handle11 SAE taps & dies SAE : 1/4"-20NC, 5/16"-18NC, 3/8"-16NC, 7/16"-14NC, 1/2"-13NC, 1/4"-28NF, 5/16"-24NF, 3/8"-24NF, 7/16"-20NF, 1/2"-20NF, 1/8"-27NPT