Description
If you’re burning through sets fast, stock up smart: this 3-pack of Ernie Ball Cobalt Skinny Top Heavy Bottom Slinky strings keeps you covered set after set without a mid-week run to the shop. Gauge spread is .010-.013-.017-.030-.042-.052, so you get that Slinky feel on the top three for effortless bends and vibrato, then serious low-end thump from the heavier wound strings underneath.
Cobalt is the standout here. The alloy locks onto your pickups with a stronger magnetic pull than traditional nickel or steel, translating into a wider dynamic range, more defined lows, and highs that stay crisp instead of getting brittle. Play soft and you’ll notice more nuance; dig in and the strings respond with extra output and clarity rather than flattening out.
There’s also a tactile difference every time you restring — Cobalt has a smooth, silky feel under the fingers that makes fretting and bending noticeably less work, especially on those unwound top strings where technique matters most.
- String set: Ernie Ball Cobalt Skinny Top Heavy Bottom Slinky (2715)
- Gauges: .010, .013, .017, .030, .042, .052
- Cobalt alloy for enhanced magnetic response and dynamic range
- Smooth, easy-bending feel
- Includes 3 individually packaged sets
Grab this pack and keep your tone fresh — dead strings kill sustain and tuning stability fast, and having spares on hand means you’re never one broken string away from a dull-sounding rig.





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