D'Addario XT Acoustic Phosphor Bronze, Light Top/Medium Bottom, 12-56

• XT strings feature an advanced corrosion resistance treatment on every string in the set, preserving the natural tone and feel of uncoated strings.
• High carbon steel wire and Fusion Twist technologies deliver unrivaled tuning stability and break resistance. Strings stay in tune 131% better than traditional strings!
• The inner packaging features a re-sealable zip closure, for ease of opening as well as storage of unused strings.
• Every set includes a Players Circle code for product identification, registration, and authentication. Players can collect points to get rewarded with D’Addario products and merchandise.