Fender Dura-Tone acoustic guitar strings are made with a specially applied micro-treatment that resists tone-killing grime and corrosion. Fender 80/20 Bronze strings deliver bright tone and great feel, making them perfect for an acoustic guitar with a naturally dark tone. Made from 80% copper and 20% zinc, theyre certain to bring that dull sounding acoustic to life! Available in gauges for any acoustic guitarist Fender has been an instrument of choice for many of the greatest musicians since 1946. Fenders popularity through the generations is a result of their design innovations and commitment to quality. These steel strings reflect this legacy and are worthy of the Fender name. Attention to detail and the finest materials ensure that you will get the best feeling and greatest sounding guitar strings, set after set.