Classic Mahogany series Concert, inspired by some of the classic ukuleles of the 1920's. Solid Mahogany wood construction. Genuine bone nut and saddle. Rosewood fretboard and bridge. Setup with Aquila strings. Choice of either gloss or matte finish. Choice of deluxe friction pegs or sealed gear tuners. Choice of installed Mi-Si Acoustic Trio (ACTIVE) Under Saddle Pick-up.