STRING SET FOR ELECTRIC GUITAR Strings Sets for electric guitar D Addario NYXL1252W with third string (12 - 16 - 24w - 32 - 42 - 52). 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 steel and smooth steel core provides a new level of freedom, confidence and power.