Discover the magic of Ernie Ball COBALT electric guitar strings!
• Superior Playability: Cobalt has a textured, matte surface that offers an amazing grip under your fingers, making playing a breeze.
• Enhanced Sound: With a greater magnetic response than nickel, these strings deliver higher output, a bolder upper midrange, and a sparkling top - end.
• Long - lasting Performance: They resist sweat and moisture better, and thanks to a stronger wrap wire, they last longer than other nickel - wound strings.
When played clean, these strings sound loud and bright. With a bit of drive and humbuckers, they produce a full, raw - sounding tone. Don't miss out on what the pros are raving about!
'Ernie Ball Cobalt Strings sound and feel better than anything I've ever played! You have to check these out!' - Slash
'Cobalt Strings feel incredibly silky under my fingers and deliver more punch, output, and clarity than normal strings!' - John Petrucci
'There's a certain degree of clarity and punch you get from Cobalt Strings that I haven't heard tonally from any other strings I've played.' - Joe Bonamassa
What Ernie Ball says:
Ernie Ball Cobalt Slinky Guitar Strings are round - wound for maximum clarity and serious punch. The Cobalt Slinky set is an improvement on its classic nickel - wound counterpart giving the player increased sustain, clarity and output.
Proprietary Alloy developed by EB specifically for Guitar Strings
Engineered to Maximize Output and Clarity
Slinkier Feel, Beefier Tone
Longer Lasting due to a Stronger Wrap Wire
World's First and Only Cobalt String
Alloy of Iron and Cobalt – Most Magnetic Alloy Available!
Patent Pending
Wound Strings Only

These Ernie Ball Cobalt electric guitar strings are perfect for guitarists of all levels who want to take their playing to the next level. Whether you're playing in a small gig, a large concert, or just jamming at home, these strings will give you a great sound. They come in a 10 - 46 gauge, which is a popular choice for electric guitar players. The cobalt alloy used in these strings provides a unique feel and sound that you won't find in other strings. So, if you're looking for a set of strings that offer superior playability, enhanced sound, and long - lasting performance, these are the ones for you.