Cobalt Slinky Electric Guitar Strings provide an extended dynamic range, incredible harmonic response, increased low end, and crisp, clear highs. Cobalt provides a stronger magnetic relationship between pickups and strings than any other alloy previously available. Ernie Ball Cobalt Slinky electric guitar strings are also soft and silky to the touch, making string bending a breeze. Gauges .009, .011, .016, .024, .032, .042 • MFSKU P02723 • UPC 749699127239