Ernie Ball Earthwood 13-56 80/20

Ernie Ball Earthwood 80/20 Bronze Acoustic Guitar Strings are made from 80% copper, 20% zinc wire wrapped around hex shaped brass plated steel core wire.

These acoustic guitar strings provide a crisp, ringing sound with pleasing overtones.

Gauges .013, .017, .026w, .034, .046, .056