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Add a handle to hold your plug gauge. No need for bushings—one handle fits a range of plug gauge sizes.
Take go and no-go measurements with the same tool. These gauges have a go gauge on one end, a no-go gauge on the other end, and a handle with bushings.
Check the true diameter of holes, even if they’re bent or curved. The thin stem on these gauges flexes to reach features deep inside holes and cavities.
These gauges come with a certificate of calibration traceable to NIST that states they’ve passed a test for accuracy.
These have a go gauge on one end and a no-go gauge on the other end.
Ensure the accuracy of NPT thread measurements—these gauges come with a certificate of calibration traceable to NIST that states they’ve passed a test for accuracy.
A notch on the handle indicates when the internal NPT threads you’re checking are in tolerance.
Confirm hex drives on socket head screws are within tolerance.