D'Addario J85 Phosphor Bronze Bajo Quinto Strings,10 string Designed specifically for the Bajo Quinto Extra-bright tone mixed with deep and projecting bottom end Corrosion resistant packaging for strings that are always fresh Made in the U.S.A. for the highest quality and performance String Gauges: Wound .026/.026, .036/.036, .046/.046, .062/.030, .078/.036