ammoon Solid Wood 4 String JB Electric Bass Guitar Basswood Body Rosewood Fretboard 24 Frets with 6.35mm Cable 47" Solid Wood 4-string JB Electric Bass. Basswood Body, Rosewood fretboard, Maple Neck. 24 Fret musical instrument and fine testing string. Single-coil pickup chromeplate knob and steel strings. Come with a 6.35mm Cable, Small Crank and a Wrench.