The ebony fretboard has 22 jumbo frets. The fingerboard is Rosewood with 24 frets. The strings rest atop the zero fret, which is higher than the other frets. All of the Sky guitars with frets have scalloped fretboards. Instruments with straight frets like guitars require a special compensation on the saddle and nut. It has fixed frets and 6 strings in three pairs. Each set of twelve frets represents an octave. All six strings are represented along 17 different frets. On a guitar string, it is the interval separated by two frets. Neither guitar had twenty-four frets. This arrangement of frets results in equal tempered tuning. The frets, which are known as or thaat, are movable, allowing fine-tuning. The 4 wedge-shaped frets on the neck became 6 during the 20th century. He played an electric bass from which he had removed the frets. It had double cutaways to allow easier access to the top frets.