Our two-set deal gets you Ernie Ball Cobalt 2731's at a great price!Ernie Ball Cobalt Slinky Guitar Strings are the latest innovation in string technology, engineered to maximize output and clarity.
Seeking to provide guitarists and bassists with a new voice, Ernie Ball developed Cobalt (patent pending) strings.
Cobalt strings produce 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 alloy previously available. Cobalt Slinkys are also soft and silky to the touch, making string bending a breeze.
- Proprietary Iron & Cobalt allow
- Most magnetic material available for guitar strings
- Engineered to maximize output & clarity
- Longer lasting due to stronger wrap wire
- String Gauges: 55 75 90 110