In article ,
Robert Galloway wrote:

A gift I thought was cute but unnecessary but now use all the time is my
dial caliper graduated in fractions of an inch. I've used a vernier
caliper in thousandths for about forty years and thought the other more
of a gimmick. Couldn't part with it now.

You said a mouthful. I'd be lost without my trusty vernier calipers. (The dial
ones are for sissies..lol)