Check the listing for details. **3 SETS! ERNIE BALL 12-STRING MEDIUM ACOUSTIC GUITAR STRINGS 2012**. Condition: New. Listed at 29.99 USD. Ernie Ball 12 String Earthwood Medium Strings!Ernie Ball strings have been a top choice for players of all types since the early 1960s, when guitarists came into Ernie Ball's music store, customizing their string gauges to make their axes easier to play. After fruitless attempts to interest major guitar manufacturers in a lighter set of strings, Ernie Ball decided to start making his own. When you open a pack of his strings today, you know you're getting a quality set of strings designed to give you great tone, reliable performance, and long life. You can't go wrong when you string up with Ernie Ball strings!Ernie's Medium Light Earthwood 80-20 Bronze strings are made from 80% copper, 20% zinc wire wrapped around hex shaped tin plated steel core wire. They provide a crisp, ringing sound with pleasing overtones.Ernie Ball Medium Earthwood 80-20 Bronze Strings Features at a Glance:Type: Acoustic 12-String.011, .011, .015, .015, .024w, .010, .030, .014, .042, .022w, .052, .028Bright toneTin-plated hex steel core80/20 bronze wrapErnie Ball Earthwood 80-20 Bronze strings give you a bright and shimmering tone!