D'Addario EJ19 Phosphor Bronze Acoustic Guitar Strings Bluegrass 12/56

Features: Precision-wound acoustic guitar string for all situations Phosphor bronze wrap wire contributes a warm, enveloping tone Hexagonal steel core wire provides extra stability, greater reliability, and improved intonation Corrosion-resistant packaging ensures your strings are factory-fresh when opened Color-coded ball ends make string changes easy Gauges: .012, .016p, .025w, .035, .045, .056 New, unopened package, no tags. Buy from me. I'm a small business. And very nice. :)