D'addario PROSTEELS, Medium, 11-50 Electric Guitar Strings

S515's offer a super-bright, crunchy tone and corrosion resistance for longer string life.

• Medium gauge
• 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 String Gauges: Plain Steel .011, .015, .019, ProSteels Wound .028, .037, .050