Description
Cobalt Skinny Top Heavy Bottom Slinky strings (gauge set 2715) build on Ernie Ball’s Slinky formula with a cobalt alloy wrap that reads pickups differently than traditional nickel or steel. The result is a wider dynamic window: highs stay articulate and detailed, while the wound strings deliver deeper low-end push and a more pronounced attack, which is exactly why players who tune down or dig into riffing reach for this hybrid gauge.
The ‘skinny top’ plain strings (.010, .013, .017) keep bending and vibrato effortless, since cobalt’s smoother, silkier surface reduces finger drag compared to older alloys. Meanwhile the ‘heavy bottom’ wound strings (.030, .042, .052) hold up under aggressive picking and alternate tunings without losing definition or turning muddy.
What sets cobalt apart is its magnetic behavior. It forms a stronger relationship with your pickups’ magnets than prior alloys, translating into a fuller output signal, sharper harmonic overtones, and a more responsive feel string-to-string. Whether you’re playing clean or driving an amp hard, that added clarity and sustain carries through.
This listing includes three individually packaged sets, so you’re stocked up for string changes, backup guitars, or simply keeping a fresh set on hand without reordering as often.
- Gauges: .010, .013, .017, .030, .042, .052
- Alloy: Cobalt wrap wire
- Configuration: Skinny Top / Heavy Bottom hybrid set
- Pack quantity: 3 sets





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