New in package! Ernie Ball slinky cobalt electric guitar strings

New in package! Ernie Ball slinky cobalt electric guitar strings Description (from guitarcenter.com listing) This innovative set of strings is engineered with a cobalt alloy core that provides guitarists an unparalleled experience. The cobalt blend is highly magnetic, enabling your pickups to translate the strings' vibrations with unrivaled clarity and definition across the tonal spectrum. The result is beefed-up low end, crystalline highs, and a robust midrange that cuts through any mix. Unmatched Sonic Performance Cobalt's superior magnetic qualities empower your instrument to reach its full potential. These strings drive your pickups to new levels of sensitivity for tones that are powerful yet nuanced. Expect an output boost along with enhanced harmonic richness and sustain. The cobalt core also provides a silky feel that facilitates fluid playability. Once you string up with Cobalts, you'll never go back. Long-Lasting and Corrosion-Resistant Cobalt strings are built to rigorous quality standards using premium materials for maximum longevity and performance. Their cobalt core is highly resistant to corrosion and oxidation, even with heavy use. These strings retain tone and intonation over a long lifespan, reducing frequent restrings. They also hold up well to environmental and chemical exposure from sweat and other contaminants. For guitarists seeking a high-performance, low-maintenance string, Cobalts are the ideal choice. The Choice of Discerning Professionals