D'addario NYXL45100 - set of strings for electric bass guitar with 4 strings, featuring nickel winding, increased strength and durability, tuning stability, long scale. The strings have a core made of NY carbon steel for dynamic range and harmonic response, with NYXL steel winding plated with nickel. They provide strong, defined lows, enhanced harmonics, and greater sustain than any other bass strings. Gauges 045 - 065 - 080 - 100, Regular Light tension.