Nut height : rLuthier

The general idea of the Nut Slot Height feature is to be able to project a perfectly straight line from the nut, directly to the top of the second fret -

So then the nut becomes the lowest angle But each fret along that line only needs to clear the fret above it So if all the frets are the same

nut poker However if you have a vernier caliper you can measure the height of the nut from the base to the slots for the high E

nut slot files  They say the nut slot height edge of the gauge is very thin so it should fit any slot We'll see But the tool has other funtions