- Martin Guitars Steel String Backpacker Guitar; Shape: Acoustic Travel Guitar; Top: Solid Spruce; Back & Sides: Solid Sapele; Neck: selected Hardwood; Fingerboard: Richlite; Inlays: White Dots; 15 Frets; Nut: Graph Tech Tusq; Nut Width: 43 mm (1,7"); Scale: 610 mm (24"); Bridge Material: Richlite; Saddle: Graph Tech Tusq; Tuners: Die-Cast Nickel; Incl. Gig Bag; Colour: Natural; Stock Strings: Martin Guitars Authentic Acoustic Lifespan 2.0 Guitar Strings Phosphor Bronze - Light .012 - .053 (item no. 473904)