635mm Scale, 50 mm Nut. Very fine grain Spruce Soundboard (40 grains to the inch) and Cypress back and sides, Rosewood fret board. This very resonant instrument weighs just under 36 ozs. or 2 1/4 lbs. Separate pieces adjoining the soundboard to the sides, and a single piece liner adjoining the 3 piece back to the sides. 5 fan braces. I repaired crack only on the lower right side of the back. refinished with spray lacquer.