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. Features: Wound Strings are 80 percent copper, 20 percent zinc wire wrapped around hex tin plated steel core wire Plain strings are made of specially tempered tin plated high carbon steel Featuring the finest and freshest materials
