D'Addario EJ40 Silk & Steel Folk Guitar Strings, 11-47 Designed and gauged for fingerstyle guitarists who prefer a warm, mellow tone Silk interwindings for soft, easy feel on fingers 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, .014, Silk & Steel Wound .023, .028, .038, .047; Set of Six strings Musical Notes E,B,G,D,A,E