The OU10 Concert sized and OU10T tenor sized Ukuleles feature a Vintage style Spruce Top with Trembesi back and sides in an antique satin finish. Both instruments offer Herringbone trim with Abalone rosette inlay, Mother of Pearl dot and diamond fret and headstock inlays, a slotted headstock with Grover gold exposed tuning gears, Rosewood fingerboard and string pin bridge, 19 frets, Graph Tech NuBone saddle and Aquila strings. These ukes sing and are very loud!!