Standard calipers are available as either being digital or mechanical calipers. Both can be used for conducting outside, inside, depth and step (distance) measurements.
Workshop calipers are also available in digital and mechanical versions.
With standard accessories for measuring of recesses, grooves etc. With additional accessories for measuring of threads, bores, serrations etc.
In digital calipers for specialized measuring applications.
In digital and mechanical versions for various applications.
For measuring travel on a machine (e.g. on an upright drilling machine, milling machine etc).