D'Addario XL ProSteels utilize a highly magnetic, 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.

• Unique highly magnetic 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

Gauge

EPS540 - 10, 13, 17, 30, 42, 52.