42 pc. Master Thread Restorer Kit

Contains commonly found automotive and household hardware sizes

Taps and dies are Metric/SAE UNC and SAE UNF

Made for restoring stripped threads on damaged or corroded nuts and bolts

Hex sized taps and dies provide multiple tool options for turning the taps and dies

Thread gauges make it easy to choose the correct sized tool

Contents:21 pc. repair dies: UNF 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8 in. UNC 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8 in. Metric 6 x 1.00, 8 x 1.25, 10 x 1.25, 10 x 1.50, 12 x 1.25, 12 x 1.5, 12 x 1.75 mm 19 pc. repair taps: UNF 1/4, 5/16, 3/8, 7/16, 1/2, 9/16 in. UNC 1/4, 5/16, 3/8, 7/16, 1/2, 9/16 in. Metric 6 x 1.00, 8 x 1.25, 10 x 1.25, 10 x 1.5, 12 x 1.25, 12 x 1.5, 12 x 1.75 mm 1 pc. Metric Thread Gauge 1 pc. SAE Thread Gauge