CLASSICAL GUITAR 4/4 R55 4/4 classical guitar with solid top for beginners and students. Solid Engelmann spruce top with open-pore satin natural finish. Sides and back in catalpa wood with satin finish. Nato neck in satin finish with two-way truss rod. Binding in black ABS. Walnut sheet on blade. Walnut fingerboard and bridge. Scale 650 mm (25.59 inches). 52 mm nut.