Thread Restorer Set, 23 Piece, Includes: Thread File No. 8 (all pitches 0.75 to 3.0mm) With Plastic Handle, Rethread Taps and Dies Of M6x1, M8x1.25, M10x1.25, M10x1.5, M12x1.25, M12x1.5, M12x1.75. Extra Rethreader Dies also included are M6x1.25, M7x1, M8x1, M8x1.5, M10x1, M14x1.25, M14x1.5, M20x 1.5
- Restores damaged internal and external thread without reducing the diameter