Original Thread Checker - Size Gauge Measuring Tool for Imperial and Metric Nuts, 26 Male/Female Gauges - 14 Inch & 12 Metric

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  • Each size has a nut and bolt checker on the same gauge. 26 male female gauges - 14 inch & 12 metric.
  • Thread sizes are permanently stamped onto each gauge (inch in red, metric in white)
  • The Thread Checker is especially well suited for distinguishing between similar inch and metric threads.

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