EXL125 is D'Addario's best selling hybrid set, combining the high strings from an EXL120 (0.009) with the low strings from an EXL110 (0.046). The result is a set with strong fundamental low end, but with super flexibility on the high strings. Round wound with nickel plated steel for distinctive bright tone. 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 0.009, 0.011, 0.016, Nickel Wound 0.026, 0.036, 0.046.