The D15M model continues the Martin tradition with solid mahogany construction and a rich satin finish. Satisfy your desire with an affordable solid wood guitar that is visually distinctive and innovative. Due to material availability this guitar is designed with either a tortoise pattern or black pickguard. Selection may vary. Body Size: D-14 Fret Finish Top: Satin Construction: Simple Dovetail Neck Joint Back and Side Finish: Satin Bracing Pattern: X-Brace Scale Length: 25.4" Brace Shape: Non-Scalloped Fingerboard Width at Nut: 1 11/16'' Top Material: Mahogany Neck Shape: Modified Low Oval Back Material: Mahogany Neck Taper: Standard Taper Side Material: Mahogany