Description
If you’re the type who’s got a fresh pack loaded before the old set even goes fully dead, the Cobalt Not Even Slinky is worth adding to the rotation. Ernie Ball built the Cobalt line around an alloy that grips pickups magnetically better than the usual nickel or steel options, which translates to a wider dynamic window — you feel it the moment you dig into a chord and it doesn’t just compress into mush.
The Not Even gauge set (.012, .016, .024p, .032, .044, .056) skews heavier on the wound strings while keeping the plain strings comfortable, so you get punch and low-end weight for riffing without turning bends into a wrestling match. Cobalt’s harmonic response is noticeably more textured than plain nickel-wound sets too — highs stay articulate instead of going brittle, and the bottom end doesn’t turn to mud when you drop the gain.
Feel-wise, Cobalt strings have a smooth, almost silky surface that makes fretting hand work — bends, vibrato, fast position shifts — feel less like a fight. That’s the difference a dead string never gives you back: the moment your fingers stop fighting the wire and just play.
- Gauges: .012-.016-.024p-.032-.044-.056
- Cobalt alloy for extended dynamic range and stronger pickup response
- Crisp highs paired with reinforced low-end clarity
- Smooth, silky feel for easier bending and vibrato
- Single pack, Ernie Ball part #2726





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