If you’re looking to brighten up that acoustic tone, Fender 80/20 bronze strings deliver articulate sound and great feel, making them perfect for an acoustic guitar with a naturally dark tone. Made from 80% copper and 20% zinc, these strings will not only bring your acoustic sound to life, but also last throughout the most enduring performances.70-12 L .010, .014, .022, .030, .040, .050 .010, .014, .008, .012, .018, .026w