D'Addario EPS515 XL Pro Steels Electric, Medium, 11-50
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. D'Addario XL Pro Steels offer a super-bright, crunchy tone and corrosion resistance for longer string life.\n\nD'Addario, the world's largest manufacturer of musical instrument strings, is known worldwide for unsurpassed quality and consistency. D'Addario continues to develop and manufacture exceptional strings and accessories for violin, viola, cello and double bass, incorporating innovative, environmentally friendly packaging that reduces waste and provides protection from corrosion. All D'Addario strings are manufactured in the U.S.A. using proprietary, digitally controlled, state-of-the-art machinery for unmatched performance, set after set.