Eastman is an instrument company based out of Beijing specializing in hand made, high quality guitars/mandolins/etc. This guitar features a solid thermo-cured Adirondack spruce top and has solid Madagascar back and sides, traditional even “C” profile mahogany neck with a 12” radius ebony fingerboard, has a 1 3/4” bone nut, etc. If you have any questions, feel free to let us know!