Ernie Ball 2010 12-STR Acoustic Guitar Strings Earthwood 80/20 BRONZE 12 String Light .009 / .046 9-46

Specifications:
 

Made from 80% copper, 20% zinc wire wrapped around hex shaped tin plated steel core wire. The most popular acoustic guitar strings provide a crisp, ringing sound with pleasing overtones. Gauges .009*.009, .012*.012, .020w*.009, .026*.012, .036*.020p, .046*.026