Thread Restoring File, Tap, and Die Kit #1 #1Thread file metric pitches: .75, 1, 1. ... .50, 1.75,2, 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 ... thread.42Pcs UNC UNF & Metric Thread Restorer Kit Contain: seven UNC, seven UNF and seven metric rethreaded dies, six UNC, ...