How do I tell if my nut slots are too high?

Feeler Gauges for Setting Nut Slots nut slot height Comments306 · How to Make a Guitar Nut from a Blank · MusicNomad's Nut Files Make it nut slot files According to Fender the String height at the 1st Fret, from the Fretboard to the bottom of the String, should be 020 on all 6 Strings The way

nuts and bolts slot According to Fender the String height at the 1st Fret, from the Fretboard to the bottom of the String, should be 020 on all 6 Strings The way