To extend the life of their natural-sounding strings, D'Addario EXPs are micro-coated in phosphor. The result has to be heard and felt to believed - a great authentic tone combined with a minimum of 4 times the life. Get a great acoustic sound, and replace your strings less!
D'Addario, the world's largest manufacturer of musical instrument strings, is known as The Players Choice with a reputation for unsurpassed quality and consistency. D'Addario's innovative, environmentally friendly packaging reduces waste and provides protection from corrosion. All D'Addario strings are manufactured in the U.S.A. using proprietary, digitally controlled, state-of-the-art machinery for unmatched performance, set after set.