Description
Cobalt is Ernie Ball’s answer to guitarists who felt boxed in by traditional nickel-wound strings. Instead of the usual nickel-plated steel, these Super Slinkys use a cobalt-iron alloy wrap that forms a noticeably stronger magnetic bond with your pickups. The result is a wider dynamic window — you can dig in for aggressive picking or ease off for delicate passages, and the strings respond with more nuance than standard sets typically offer.
Tonally, Cobalt strings push low-end punch and top-end sparkle simultaneously, without the midrange getting muddy or the highs turning brittle. Harmonics jump out more readily, which makes these a favorite among players who rely on pinch harmonics, tapping, or intricate lead work where clarity matters at every fret.
Beyond the electronics, there’s a tactile advantage: the cobalt alloy has a smoother, silkier feel under the fingers than many nickel-wound counterparts, so wide bends and vibrato-heavy playing feel less like work. This particular listing is the Super Slinky gauge — .009, .011, .016, .024, .032, .042 — a light-tension set built for fast lead playing, expressive bending, and comfortable action, sold as a box of 12 individual packs so your gigging rig stays strung and stage-ready without constant restocking.
- Cobalt-iron wrap alloy for enhanced pickup response
- Wider dynamic range with punchy lows and clear highs
- Smooth, silky feel for easier bending
- Gauges: .009-.011-.016-.024-.032-.042
- 12 individual packs per box





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