D'Addario ESXL125 Nickel Wound Electric Guitar Strings, Super Light Top/ Regular Bottom, Double Ball End, 9-46 Double ball end design, manufactured to Steinberger specifications Round wound with nickelplated steel for distinctive bright tone Corrosion resistant packaging for strings that are always fresh String Gauges: Plain Steel .009, .011, .016, Nickel Wound .026, .036, .046 Made in the U.S.A. for the highest quality and performance