With the Bahco 1450D/2 thread file set, you quickly restore damaged threads instead of discarding valuable fasteners. This 2-piece double thread file set is designed for both internal and external threading tasks. Covering eight metric pitch sizes and eight imperial threads-per-inch profiles, it gives you the right match for repairing deformed bolts, studs, nuts, and tapped holes. You easily clean away burrs and corrosion to get parts working smoothly again. Housed in a sturdy wooden box complete with a thread reference table, this set keeps your tools organized and ensures you always select the right pitch.