Dot action: recommended measurements for nut height and relief?

The gauge comes equipped with the 3 most common nut height sizes plus 3 additional sizes to accommodate

the height of the nut slots it's a vital importance to the overall setup of a guitar if the slots are

nuts and bolts slot 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 height How do you slot the nut correctly then? The basic idea when slotting your nut is file the slots as low as possible