If you can afford it, a Mitutoyo caliper is quite an addition to your toolbox. As good as they are, though, they’re not perfect, which is what led to this clever Mitutoyo digital caliper hack by ...

The selection of calipers under test. Left: sub £1 plastic Vernier caliper, centre: Mitutoyo 530-122 Vernier caliper, right: cheap digital caliper. I’ve amassed a selection of both for comparison.

A caliper — a ruler with sliding jaws — can ... from a company that has been making micrometers since 1880. It’s an analog ...