SET OF STRINGS FOR ELECTRIC GUITAR Set of 7 strings for electric guitar D Addario NYXL1164 (011 - 014- 018 - 028 - 038 - 049 - 064). 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, shatter-resistant high carbon and smooth steel core provides a new level of freedom, confidence and power.