• Experience the Superior Grip: Ernie Ball's Cobalt guitar strings have a textured, matte surface, offering a playable grip that many guitarists crave.
• Unleash Bold Tones: With greater magnetic response than nickel, these strings deliver higher output and a big, bold, focused upper midrange.
• Long - lasting and Flexible: Resist sweat and moisture better, and have unmatched flexibility compared to other nickel - wound strings.
Slash says these strings sound and feel better than anything he's ever played! John Petrucci loves their silky feel and extra punch. Joe Bonamassa appreciates the unique clarity and punch. Ernie Ball's Cobalt Slinky Guitar Strings are round - wound for maximum clarity and serious punch. Developed with a proprietary alloy, they're engineered to maximize output and clarity, with a slinkier feel and beefier tone.

These Ernie Ball Cobalt electric guitar strings are perfect for guitarists who love to riff and play with a bit of drive. Whether you're on stage or in the studio, they'll help you create bold and bright tones. They're great for both professional musicians like Slash, John Petrucci, and Joe Bonamassa, as well as hobbyist guitar players looking to upgrade their sound. These are 7 - string, 10 - 62 gauge strings that offer a great balance of playability and tone.