1.description:65PC tap and die set 2.standard: UNC&UNF 3.quality:ISO9001-2000 ... 3.package:blow box 1.description:65PC UNC&UNF tap and die thread cutting tool set2.standard: UNC&UNF3.quality:ISO9001 ... 4" - 28 NF, 5/16" - 18 NC, 5/16" - 24 NF, 3/8" - 16 NC, 3/8" - 24 NF, 7/16" - 14 NC, 7/16" - 20 NF, 1/2 ... 4" - 28 NF, 5/16" - 18 NC, 5/16" - 24 NF, 3/8" - 16 NC, 3/8" - 24 NF, 7/16" - 14 NC, 7/16" - 20 NF, 1/ ...