You wouldn't put budget tires on a Maserati, would you? So why settle for less than the highest quality strings when it comes to your favorite guitar? After all, if the master artisans at C. F. Martin & Co. trusted the integrity of their world renowned guitars to some second-rate string maker, they wouldn't bother making their own strings. Like their guitars, Martin strings are played by real professionals. These studio cats know how important consistency is take after take, and these serious live players don't have time to kill replacing dead-sounding strings. Don't waste your time or money - trust Martin strings the way you trust their guitars Features & details Treated with Martin's Clear tone proprietary technology for a longer lifespan than regular strings 80/20 bronze provides a bright and vibrant tone Extra Light gauge .010, .014, .023, .030, .039, .047