Yes, but so many times I've wanted eg 15.5mm into 6 parts, so had to work out a table: 2.6, 5.2, 7.8, 10.3, 12.9, 15.5 - a boring chore, after a while very boring! You can't always use a ruler at an angle, eg on a long thin thing.
I thought a precision-ish version, out of stainless steel, yes...