ELECTRIC GUITAR STRING SET Pack with 3 sets of electric guitar strings DAddario NYXL1149 (011 - 014- 018 - 028 - 038 - 049). D Addario NYXL guitar strings stretch more, sound louder, and tune better than any string you've ever played before. Conceived, refined, and manufactured by D Addario in New York, this newly designed, tear-resistant high carbon and smooth steel core provides a new level of freedom, confidence, and power.