JG-100 Starter Acoustic Guitar A standard acoustic guitar is 42 inches. At 39 inches, this model is only slightly smaller than a standard full-size acoustic making it an excellent beginner's instrument for just about anyone who needs a reasonably priced instrument to learn on. Ships with one set of factory steel strings installed. Features: Natural Spruce Top All Mahogany Back & Sides Bound Rosewood Fretboard Scalloped Bracing Dovetail Neck Joint Ivoroid Backstripe Nickel/Silver Frets Die-Cast Chrome Tuners Intricate Herringbone Rosette Optional B-Band EQ