These calipers come with a calibration certificate traceable to NIST that states they've passed a test for accuracy.

Switch between decimal and fractional measuring increments.

These calipers come with a calibration certificate traceable to NIST that states they've passed a test for accuracy.

Carbide-tipped jaws provide greater wear resistance and longer life when measuring abrasive or very hard materials.

These calipers come with a calibration certificate traceable to NIST that states they've passed a test for accuracy.

Jaws move only when the thumb lock is depressed.

These calipers have a mechanism which allows you to make finer adjustments.