Daddario XS Ph-Bronze 13-56 - Thanks to its ultra-thin phosphor bronze wrap found on the thicker strings and the unique polymer treatment applied to the thinner strings, XS offers the highest level of protection against dirt and corrosion while providing a durable "smooth feel" for a longer period after the strings are installed on the guitar.
Carbon NY core
Phosphor bronze wrap
Fusion Twist technology
Extremely thin coating (10 times thinner than hair)
Hexagonal core construction that enhances tuning stability