The D'Addario XLB045 Nickel Wound Bass Guitar Single String is a high-quality string designed for long-scale bass guitars. With a gauge of .045, it strikes a balance between thickness and flexibility, delivering a versatile and responsive tone. The nickel-plated steel wrap wire provides durability and longevity, while offering a bright and articulate sound. Whether you play rock, jazz, funk, or any other genre, the D'Addario XLB045 offers reliable performance and excellent playability. This single string is an ideal choice for bassists seeking a dependable and tonally versatile option for their instrument.