XSA-1253 phosphor bronze

D'Addario XS Acoustic Phosphor Bronze is a tremendous leap in coated string technology. With its ultra-thin film coating on every wound string and unique polymer treatment on our premium, high carbon plain steels, XS offers our highest level of protection for maximum life with an uncommonly smooth feel. Born from our greatest breakthrough in string innovation, XS Phosphor Bronze strings have the longest life of any D’Addario acoustic guitar string. The XS coating gives our warm, balanced phosphor bronze strings maximum life, with an uncommonly smooth feel. Made with a NY Steel core, phosphor bronze wrap wire and Fusion Twist technology, XS coated acoustic guitar strings have incomparable break strength and tuning stability, in addition to their dramatically increased lifespan. 12-53 Light strings are our most popular acoustic gauge, providing a nice balance of playability and tone.