concert ukulele, solid spruce top, spalted maple b&s, open geared guitar machine headsKorala's UKC-850 is beautiful to the eye and ear. The beautiful spalted maple back and sides is combined with wooden padauk binding: A perfect match. The sound of the solid spruce top matches very good with the maple sides and back. The sound is clear and full. The bigger body of this concert size delivers a fuller and warmer sound than it's soprano counterpart.Due to it's round character, the sound will please many guitar players especially.The high quality open geared machine heads are light weight and will keep your ukulele perfectly in tune.The technical wood used for fingerboard and bridge ensure that this instrument is free from Cites restrictions.Aquila strings.