* very hard ebony from Indonesia, Cello Fingerboard. 4/4 Size. With Cello Nut. * very nice workmanship: smooth surface, good radius and different concavity. * great for all level cello . * They aren’t dyed, they are the natural color . * detail specs (it is similar size, if you need other size please let me know) * Length: 585mm * Top width: 31mm * Bottom width:62mm * Top thickness: 12mm * Middle thickness:16mm * Bottom thickness:21mm