Pre-installed, leveled and smoothed with medium/medium nickel-silver fret wire * Fretboard dimensions: 1 1/2" wide. The fretboard is 20" long, 1/4" thick and has 20 frets, spaced for a 25" scale length * Fine sanded and ready for finishing and installation * Exotic Peruvian Walnut hardwood fretboard looks great on a variety of neck woods * Hand-made in the USA!