Big Island Koa solid Rope Concert, ukulele, concert sized, solid curly koa top, back & sides: solid curly koa, mahogany neck, ebony fretboard, 20 frets, Abalone Dot fretboard inlays, ebony bridge, nickel tuners with koa buttons, bone nut and saddle, maple/mahagony tortoise binding & rosette, colour: natural (highgloss)