Lang  972 40 Piece Fractional and Metric Thread Restorer Kit
This 40 piece set allows the restoration of SAE and metric thread sizes.  Set includes the following: 7 SAE Coarse Dies, sizes: 1/4"-20, 5/16"-18, 3/8"-16, 7/16"-14, 1/2"-13, 9/16"-12, 5/8"-11; 7 SAE Fine Dies, sizes: 1/4"-28, 5/16"-24, 3/8"-24, 7/16"-20, 1/2"-20, 9/16"-18, 5/8"-18; 6 Metric Dies, sizes: M6-1.00, M8-1.25, M10-1.50, M12-1.25, M12-1.50, M12-1.75; 6 SAE Coarse Taps, sizes: 1/4"-20, 5/16"-18, 3/8"-16, 7/16"-14, 1/2"-13, 9/16"-12; 6 SAE Fine Taps, sizes: 1/4"-28, 5/16"-24, 3/8"-24, 7/16"-20, 1/2"-20, 9/16"-18; 6 Metric Taps, sizes: M6-1.00, M8-1.25, M10-1.50, M12-1.25, M12-1.50, M12-1.75; One (1) SAE Re-thread File, 8 sizes (threads per inch): 11, 12, 13, 14, 16, 18, 20, 24. One (1) Metric Rethread File, 8 sizes (millimeters per thread): 0.75mm, 1.00mm, 1.25mm, 1.50mm, 1.75mm, 2.00mm, 2.50mm, 3.00mm