... 2, 2.5, and 3mm Thread Restoring File, Tap, and Die Kit#2 Thread file pitches: 11, 12, 13, 14,16 ... , 18, 20, and 24 threads per inch #3 Thread file pitches:9, 10, 12, 16, 20, 27, 28, ... 1/4" - 9/16" (course and fine) These will restore both left and right handed thread.42Pcs UNC UNF & Metric ... rethreaded taps, one UNF and UNC thread file and one metric thread file.Our service:1.Your inquiry related to ...