Martin Guitars D-15M - solid mahogany top/back/sides/neck, solid east Indian rosewood bridge and fretboard, 20 frets (14 clear), 645mm scale, 42.85mm nut width, diamonds & squares fretboard inlays, open-geared nickel tuners with butterbean knobs, delmar tortoise coloured pickguard, includes hardshell case. Colour: Natural (satin finish)