CTA Tools 8240 Universal Rethreading Set, 53-Piece includes 2 thread files (Metric 0.75, 1.00, 1.25, 1.50, 1.75, 2.00, 2.50 and 3.00-millimeter) and (SAE 11, 12, 13, 14, 16, 18, 20, 24 TPI). This set also includes the following color-coded Taps and Dies: Metric – 6 by 1.00, 8 by 1.25, 8 by 1.50, 10 by 1.00, 10 by 1.25, 10 by 1.50, 11 by 1.50, 12 by 1.25, 12 by 1.50, 12 by 1.75, 14 by 1.50-millimeters. NC-USS – 1/4-inch - 20, 5/16-inch – 18, 3/8-inch – 16, 7/16-inch – 14, 1/2-inch – 13, 9/16-inch – 12. NF-SAE – 1/4-inch – 28, 5/16-inch – 24, 3/8-inch – 24, 7/16-inch – 20, 1/2-inch – 20, 9/16-inch – 18. Die sizes include: Metric – 6 by 1.25, 7 by 1.00, 8 by 1.00-millimeter; NC-USS – 5/8-inch – 11 and NF-SAE – 5/8-inch – 18. Whether tuning up your ‘68 Corvette or changing the oil on a John Deere tractor, CTA can supply you with the tools needed to do the job.