Measuring small objects with a Vernier caliper is a lot more accurate than using a ruler, but how to read a manual Vernier caliper is a mystery to most. Step 1: Manual calipers typically have a ...

Speaker 1: It might need measuring. Speaker 2: OK, no problem. (TO AUDIENCE) So I've been asked to replace this bolt that's been worn down. I'm not sure what size the bolt is, so I'll need to measure ...