Made in the USA, Lang Tools (2584) 15-Pc. Metric Thread Restorer Set contains (7) Metric Rethread Dies, (7) Metric Rethread Taps, and (1) Metric Restorer File, allowing you to repair damaged external threads or internal threads on nuts, bolts and studs. The set is packaged in a high impact styrene tray with clear cover for display and storage. Dies included: M6-1.00, M8-1.25, M10-1.25, M10-1.50, M12-1.25, M12-1.50, and M12-1.75; Taps included: M6-1.00, M8-1.25, M10-1.25, M10-1.50, M12-1.25, M12-1.50, and M12-1.75; File pitches include: 0.75, 1.00, 1.25, 1.50, 1.75, 2.00, 2.50, and 3.00.