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 micrometer can measure the thickness of a human hair. If you need this kind of accuracy, here are some of the best ...

Calipers typically use a precise slide movement for inside, outside, depth or step measurements. Specialized slide type calipers are available for center, depth and gear tooth measurement and gaging ...

A couple of years ago we published a look at precision measurement tools, in particular vernier calipers and micrometer ... we had three of them, a Mitutoyo and a Moore & Wright representing ...

The pressure transmits more hydraulic pressure to the wheels’ brake calipers. These calipers have one or multiple pistons which move against the metal backing featured on your bike’s brake pads. When ...

This is common in drum brakes. Disc brakes consist of a caliper that squeezes brake pads against a rotating disc. They can be used on all four wheels of a vehicle or on the front brakes in conjunction ...