7-String Electric Guitar strings, made of a new special (iron/cobalt blend) alloy formulation that gives you higher output, better sound, longer life. Gauge: .10, .13, .17, .30, .42, .52, .62
Engineered to maximize output and clarity, Ernie Ball Cobalt Slinky Guitar Strings are the latest innovation in string technology. Seeking to provide guitarists with a new voice, Cobalt strings 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 string bending a breeze.
