Using Gauge Blocks and Accessories

After seeing Adam (Abom79) using gauge blocks and a gauge block holder/clamp I wanted to take this opportunity to do a quick demonstration of how the gauge block clamp is supposed to be used and talk a little about why it's not such a good idea to check your micrometer and other measuring tools directly against your gauge blocks. ... https://www.youtube.com/watch?v=Mn22NdGvtRs