Product Description

Restore damaged external threads on studs, bolts, screws, plumbing pipe, and pipe fittings. Restores rusted and corroded fasteners. Doubles as a screw pitch gauge. High carbon steel with black oxide coating to prevent rust. Length 8-1/2″. For 11″, 12″, 13″, 14″, 16″, 18″, 20″, 24″.

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