NYXL’s feature D’Addario’s exclusive New York manufactured, high carbon steel alloy for unprecedented strength – play fearlessly Improved tuning stability compared to traditional nickel wound strings – get in tune faster, stay in tune better Wound strings with enhanced mid-range frequency response in the 1 – 3.5 kHz range – more presence and crunch to cut through the mix NYXL0942 are designed with super light gauges for maximum flexibility: Plain Steel .009, .011, .016, Nickel Wound .024, .032, .042 Environmentally friendly, corrosion resistant packaging for strings that are always fresh