04-18-2019, 08:15 PM
Looks to me like you are doing the measurement carefully and perfectly. The only reason I mentioned it was because that is the sharpest edge I've ever seen measured on the Exchange.
I suspect that if you placed the razor edge down against the bench it might just fall through under it's own weight.
I suspect that if you placed the razor edge down against the bench it might just fall through under it's own weight.

