– Thread repair file for thread restoring and thread teeth correction – Restores both right and left handed external threads easily – Durable, fast cutting teeth – The indispensable files restore damaged external threads on studs, bolts, screws, plumbing pipe and pipe fittings – Saves time and money repairing damaged threads on multiple fasteners – Heavy-Duty construction allows for strength and durability – Pitch specifications: Metric – One file includes 0.75, 1.00, 1.25, 1.50, 1.75, 2.00, 2.50, 3.00 file sides – Removable handle