Gauges 12-16-24w-32-44-54.

Made from 80% copper, 20% zinc wire wrapped around hex-shaped tin-plated steel core wire, 2003 Earthwood 80/20 Bronze Medium Light acoustic strings provide a crisp, ringing sound with pleasing overtones.

All Ernie Ball strings are precision manufactured to the highest standards and most exacting specs to assure consistency, optimum performance and long life.