Lang 40pc Rethreading Set Tap Die File Metric NF-SAE NC-USS Thread Restore 972
Great USA Made rethreading set perfect for many jobs! Thread Files - US Thread Pitch 11, 12, 13, 14, 16, 18, 20, 24. - National Coarse 1/4 in. - 20, 5/16 in. - 18, 3/8 in. - 16, 7/16 in. - 14, 1/2 in.