D’addario XS Coated Acoustic Guitar Strings Medium 13-56

D'Addario XS Coated Acoustic Phosphorus Bronze Light strings are a new product with improved performance, feel, and longevity compared to standard Phosphorus Bronze strings.

• The description claims superior performance, feel, tone, and longevity compared to standard Phosphorus Bronze strings.
• The description claims clear tone, smooth feel, and superior tuning stability with the longest possible string life.
• The description claims protection for maximum life with an ultra-thin film coating and unique polymer treatment.