D'Addario Pro Steels Regular Light, 10-46, Guitar String Single Set EPS510 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 a great choice for you. Try a set! • MFSKU EPS510 • UPC 019954953966