The fender 9250 ultracore bass strings are bassists who want clear articulation solid tuning stability and a confident low end for regular playing. Built around fenders reinforced ultracore™ high carbon steel core these strings are designed to hold pitch under firm attack and consistent gig use. The hex core construction keeps tension even across all four strings helping notes feel controlled and predictable across the neck.a premium nickel plated steel wrap wire shapes a bright roundwound tone with added warmth allowing your bass to cut through the mix without losing depth. Designed for 34 scale electric basses the ball end format uses classic fender colours to make string changes quicker and clearer. With improved durability and reliable feel this .045–.105 set suits players who want punchy tone and dependable performance without frequent retuning. Made in the usa.