85/15 Great American Bronze acoustic guitar strings provide a bright tone with great sustain. ; Great American Bronze strings combine the brilliance of 80/20 Bronze with the lone last characteristics of Phosphor Bronze. ; 85/15 Bronze Round wound Light gauge Well-balanced sound Gauges: 011-015-w024-w032-w042-w052 One complete set of acoustic guitar strings Light gauge (.011-.052) Wound strings are round wound, made from 85/15 bronze. ; Unwound strings are plain steel Strings packaged in Corrosion Intercept bags for guaranteed freshness Made in USA by D'Addario, New York.;