Martin MA550S Authentic Acoustic Marquis Silked Phosphor Bronze Medium ( 13 56 )

BRIGHT TONES: Martin Authentic Acoustic Strings provide excellent tuning stability and playability with bright and rich tones. Discover your guitar's true voice with this professional-grade guitar string pack. SILK GUITAR STRINGS: These strings feature a soft silk wrap that prevents wear and tear on the bridge holes and bridge plate. Added thickness ensures that the bridge pins stay locked in place while you play. STRING SOUNDS: Designed to bring out a mellow feel, bright tones, and softer sounds, these silk-wrapped acoustic guitar strings are perfect for a finger-style guitarist, folk player, country singer, and more. Add these professional-grade custom strings to your road or studio gear today. MEDIUM ACOUSTIC STRINGS: Measuring from a 0.013" high E string to a 0.056" low E string, these are high-quality acoustic guitar strings that brighten the natural tuning of your guitar, including tenor, mid-tones, and bass. They feature a tension of 190.9. AUTHENTIC ACOUSTIC: With Martin Authentic Acoustic, you get a total set of strings designed for performance and playability. Martin guitars and accessories remain the choice for musicians around the world for their unrivaled quality, craftsmanship, and tone.