D'Addario XLB045 Nickel Wound Bass Guitar Single String, Long Scale .045

XLB045 is a. 045 gauge nickel wound bass guitar string. D'Addario XL Nickel Wound Electric Bass strings are world-renowned as "The Player's Choice" amongst bass players of all genres and styles. Part of the D'Addario XL Nickel Wound string series.

eBay