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".
|Country of Origin||USA|
|Thread Size||9, 10, 12, 16, 20, 27, 28, 32 In.|