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 ...

When choosing which calipers are best for a job, he points out two critical features to measure them up against, accuracy and precision which he explains the definition of in his informative video.

You might wonder why [Kevin] wanted to build digital calipers when you can buy them for very little these days. But, then ...