ERNIE BALL Earthwood Light 11-52 Gauge 

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 .011, .015, .022w, .030, .042, .052