Ernie Ball Cobalt Slinky Electric Bass Guitar String provides an extended dynamic range, incredible harmonic response, increased low end and crisp, clear highs. Cobalt provides a stronger magnetic relationship between pickups and strings than any other alloy. Cobalt slinky bass guitar strings are also soft and silky to the touch, making string bending a breeze. Gauges .040, .060, .070, .095.
Element shield packaging prolongs string life and keeps strings fresh
Cobalt attracts the magnets in your pickups more than any other alloy
Enhanced output/increased low end