Cle-Line C67282 Hexagon Rethreading Die Set, 1/4-20NC, 5/16-18NC, 3/8-16NC, 7/16-14NC, 1/2-13NC, 9/16-12NC, 5/8-11NC, 3/4-10NC, 7/8-9NC, 1-8NC, 1/4-28NF, 5/16-24NF, 3/8-24NF, 7/16-20NF, 1/2-20NF, 9/16-18NF, 5/8-18NF, 3/4-16NF, 7/8-14NF, 1-14NS