Ernie Ball Earthwood Medium 80/20 Bronze Acoustic Guitar String, 13-56 Gauge

Ernie Ball Earthwood 80/20 Bronze Acoustic Guitar Strings are made from 80 percent copper, 20 percent zinc wire wrapped around a hex shaped brass plated steel core wire. These acoustic guitar strings provide a crisp, ringing sound with pleasing overtones. Gauges .013, .017, .026, .034 .046, .056.