Product related parameters

*For repairing worn and damaged threads, removing stubborn dirt and corrosion without scraping off metal

*19-PIECE THREAD CHASER TAPS: 6pcs inch coarse NC sizes taps: 1/4"x20, 5/16"x18, 3/8"x16, 7/16"x14, 1/2"x13, 9/16"x12, 6pcs inch fine NF sizes taps: 1/4"x28, 5/16"x24, 3/8"x24, 7/16"x20, 1/2"x20, 9/16"x18, 7pcs metric sizes taps: M6x1.00, M8x1.25, M10x1.25, M10x1.50, M12x1.25, M12x1.50, M12x1.75

*21-PIECE THREAD CHASER DIES: 7pcs inch coarse NC sizes dies: 1/4"-20, 5/16"-18, 3/8"-16, 7/16"-14, 1/2"-13, 9/16"-12, 5/8"-11, 7pcs inch fine NF sizes dies: 1/4"-28, 5/16"-24, 3/8"-24, 7/16"-20, 1/2"-20, 9/16"-18, 5/8"-18, and 7pcs metric sizes thread: M6x1.00, M8x1.25, M10x1.25, M10x1.50, M12x1.25, M12x1.50, M12x1.75