Thread: Verniers/ calipers what to buy

have used a few brands, kincrome, insize starret but my personal is a mituyoto but sits in the tool box I mainly use cheapy ones with digital read out so I can switch/convert from metric/imperial. If I need to do any serious tolerance measurement on cases then I use a micrometer

more to the point, buying a vernier but , not knowing how to use it, or knowing why you need one!