... set 2.standard: UNC&UNF 3.quality:ISO9001-2000 3.package:blow box 1.description:65PC UNC&UNF tap and die thread cutting tool ... ,L/C6.content: 65 Pc. Expert Series Tap & Die Set 26 SAE Taps: 4 - 40 NC, 6 - 32 NC ... /16" - 18 NC, 5/16" - 24 NF, 3/8" - 16 NC, 3/8" - 24 NF, 7/16" - 14 NC, 7 ... /16" - 18 NC, 5/16" - 24 NF, 3/8" - 16 NC, 3/8" - 24 NF, 7/16" - 14 NC, 7 ... alloy steel UNC&UNF tap and die hand tool set