Yea, I'm always blown away by the old master machinists I've worked with when they talk about getting to "50 millionths" (ie half a tenth of a thou) on manual lathe and measurable with a bench micrometer [1].
Also the auto body guys whose hands are like profilometers [2] and can just feel various surface quality [3]. This is actually where precision originally came from with the 3 plate lap where you're just using fingers and candle soot to create crazy high surface flatness [4].
He fan feel thousands of inches and can note the individual thickness of each card he touches.
He is also 100% blind, and he talks about how sensitive his touch is.
He is unbelievably remarkable
https://en.wikipedia.org/wiki/Richard_Turner_(magician)
the documentary he is in is called "Dealt"
https://www.imdb.com/title/tt3127902/