Toledo Thread Restoring Files Set 5 Pc.301068Designed to restore damaged, worn or corroded threads Suitable for left and right handed threads of almost any diameter 5 piece set features three thread files with 24 external thread pitches and two thread gauges Suitable for Metric or SAE (UNC and UNF) threadsName QtyThread File No. 1 0. 75, 1. 00, 1. 25, 1. 50, 1. 75, 2. 00, 2. 50, 3. 00 (mm) 1Thread File No. 2 11, 12, 13, 14, 16, 18, 20, 24 (TPI) 1Thread File No. 3 9, 10, 12, 16, 20, 27, 28, 32