Features and Benefits: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″-117 SAE Fine Dies, sizes: 1/4″-28, 5/16″-24, 3/8″-24, 7/16″-20, 1/2″-20, 9/16″-18, 5/8″-1810 Metric Dies, sizes: M6-1.00, M8-1.25, M10-1.00, M10-1.25, M10-1.50, M11-1.50, M12-1.25, M12-1.50, M12-1.75, M14-1.506 SAE Coarse Taps, sizes: 1/4″-20, 5/16″-18, 3/8″-16, 7/16″-14, 1/2″-13, 9/16″-126 SAE Fine Taps, sizes: 1/4″-28, 5/16″-24, 3/8″-24, 7/16″-20, 1/2″-20, 9/16″-1810 Metric Taps, sizes: M6-1.00, M8-1.25, M10-1.00, M10-1.25, M10-1.50, M11-1.50, M12-1.25, M12-1.50, M12-1.75, M14-1.50One (1) SAE Rethread File, 8 sizes (threads per inch): 11, 12, 13, 14, 16, 18, 20, 24One (1) Metric Rethread File, 8 sizes (millimeters per thread): 0.75mm, 1.00mm, 1.25mm, 1.50mm, 1.75mm, 2.00mm, 2.50mm, 3.00mmPackaged in a plastic blow molded case for protection and easy use.