XL Nickel are the industry standard in electric bass strings.
With their clear fundamentals, booming tight lows, and reliable
D’Addario construction, they’re trusted by players everywhere to
handle any performance. XL Nickel bass strings are made with a
high carbon steel core and wound with nickel-plated steel wrap
wire, for consistently bright tone and smooth playability, great
for a wide variety of bass styles. 50-105 Medium strings have a
higher tension, affording increased low-end response and output.