Ernie Ball 2833 Hybrid Slinky Bass Nickel Wound Electric Bass Guitar Strings 45-105Ernie Ball P02833 Hybrid Slinky Bass Nickel Wound Electric Bass Guitar Strings 45 105 Ernie Ball Nickel Wound Electric Bass Strings are made from nickel plated steel wrapped around a hex shaped steel core wire. Each bass guitar string produces a bright, balanced tone and is manufactured with the finest and freshest raw materials in the beautiful Coachella Valley of Southern California. Gauges . 045, . 065, . 085, . 105