D'Addario Guitar Strings - ProSteels Electric Guitar Strings - Round Wound - Brighter, Crunchier, Increased Sustain - EPS600 - Jazz Medium, 13-56

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 need a little more crunch, bite, and sustain, prosteels are the string for you!