D'Addario 12-String Guitar Set XT 80/20 Acoustic Bronze (10-47 / light)

An extended lifespan treatment on every string in the set preserves the natural tone and feel of uncoated strings. Strings last at least 4 times longer than traditional uncoated strings without sacrificing the tone or feel that players know and love. NY steel and Fusion Twist technologies deliver unrivaled tuning stability and break resistance. Strings stay in tune 131% better than traditional strings! The redesigned, premium inner packaging features a re-sealable zip closure, for ease of opening as well as storage of unused strings. VCI corrosion inhibitor technology embedded in the packaging material protects the strings prior to use, ensuring strings stay as fresh as the day they were made.