... 1.description:65PC UNC&UNF tap and die thread cutting tool set2.standard: UNC&UNF3.quality:ISO9001-20004.package:blow box5 ... Taps: 4 - 40 NC, 6 - 32 NC, 8 - 32 NC, 10 - 24 NC, 10 - 32 NF, 12 - 24 NC, 1/4" - 20 NC, 1/4" - 28 ... Dies: 4 - 40 NC, 6 - 32 NC, 8 - 32 NC, 10 - 24 NC, 10 - 32 NF, 12 - 24 NC, 1/4" - 20 NC, 1/4" - 28 ... Screwdriver. 65pc alloy steel UNC&UNF tap and die hand tool set