D'Addario XT strings feature high carbon steel cores with an advanced corrosion resistance treatment on every string in the set, giving you enhanced break resistance and unyielding pitch stability-all while preserving the tone and feel of your favorite uncoated strings. These strings are made to stay, with uncompromising performance that never fades away.

• 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.