Nut slot depth

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

GrooBar Nut Slot Assist Tool

guitar nut slot files Use gauges nut files, I file nuts with one standard size over the largest string you will ever put on that guitar If you know you'll never put

guitar nut slot But you see lots of nut making instructions saying that the slots should only be about half a string diameter deep Indeed Dan Erlewine has said