Complete set, top notch quality. Rethreading taps: coarse: 1/4" to 9/16" NC fine: 1/4" to 9/16" NF metric: 6mm to 14 mm Rethreading dies: coarse: 1/4" to 5/8" NC fine: 1/4" to 5/8" NF metric: 6mm to 14mm Thread Files: SAE 11 to 24 Metric 0.75 to 3.0