I do not know from Shinola about Cuatro or Guitar or Ukulele, but I do know about Vernier calipers :) I have two here in my desk drawer, a dial caliper and a very accurate Polish caliper. I worked almost exclusively in feet and inches (US standard) and had to translate the metric Polish caliper all the time, but...
Does this one have a stem so that you can measure depth? Surprisingly, I used that moderately often.
I used to own a full set of Dial Calipers, inside and outside that I inherited. Incredible set that I gave to a person that I knew would use them and honor them going forward.
That sounds great. And yes, it has stem to measure depth. I'm still figuring out how to use it.
Well, I hope this person is doing great things with such amazing tools!