D’Addario XL ProSteels utilize an exclusive corrosion-resistant steel alloy that delivers super-bright tone without shrill overtones. They offer a palette of harmonically rich, brilliantly penetrating highs combined with pronounced, tight-and-tough lows. If you’re looking for more crunch, bite, and sustain, ProSteels are the choice for you.

  • -Regular Light gauge
  • -Exclusive corrosion resistant steel alloy offers brighter, crunchier tone and increased sustain
  • -Environmentally friendly, corrosion resistant packaging for strings that are always fresh
  • -Made in the U.S.A. for the highest quality and performance
  • -String Gauges: Plain Steel .010, .013, .017, ProSteels Wound .026, .036, .046