Martin Custom Shop “Single 0” featuring a 12-fret neck joint, Slightly thinner Sitka top (.105″ thick) & East Indian Rosewood back and sides. Also features our usual Music Villa custom specs including Golden Era style scalloped Adirondack bracing, Bone nut "on angle", genuine 12/4 Mahogany neck and a 12-fret neck joint. Nice parlor sized guitar!