Ernie Ball Cobalt Beefy Slinky Electric Guitar Strings are engineered to maximize output and clarity - the latest innovation in technology.
Seeking to provide guitarists and bassists with a new voice, Ernie Ball Cobalts provide 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 previously available. Cobalt Slinkys are also soft and silky to the touch, making bending a breeze.
The thicknesses are 11, 15, 22(plain), 30, 42, 54.