Accuracy assured with comparative and direct external measurements from 0-1″ with graduations of 0.001″. A quality product for machine shop and general engineering use.

Micro lapped tungsten carbide tipped anvils.
Hardened steel spindle with ground threads and positive lock lever.
Ratchet stop on thimble for precise and consistent readings.
Superbly finished in enamel and matt chrome.
Supplied in protective case with adjustable spanner.