D'Addario XL Electric Guitar strings are world-renowned as "The Player's Choice" amongst guitar players of all genres and styles. XL strings are wound with nickelplated steel and are known for their distinctive bright tone and excellent intonation. D'addario pays more to have their ball ends precision turned from solid brass stock. The edges have radii that prevent the ball end from cutting into wooden bridges or guitar tops. Each string is twisted to perfection right down to the three neatly wr