The beautiful Sigma SDJM-18 D-14 fret slope shoulder acoustic guitar was made from solid tonewoods. The top wood was made of solid Adirondack spruce and back/sides of solid mahogany. The mahogany neck was fitted with an ebony fingerboard. The body was finished in high gloss and the back of the neck in satin. High quality Grover side mounts tuners are used to ensure proper tuning. The Sigma SDJM-18 comes with a Sigma SSC-D softshell case.Each acoustic guitar is tested and set in our workshop for acoustic guitars.