Pono AC Concert, Ukulele, Concert size, Top: acacia, solid, Back and sides: acacia, solid, Neck mahogany, Fretboard and bridge: ebony, Nut and saddle: bone, Scale: 385 mm, Nut width: 35 mm, Frets: 20, Pearloid fret markings on the 5th, 7th, 10th, 12th and 15th fret, Rope rosette, Finish: natural matte