Ernie Ball 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. Cobalt Slinky guitar strings are also soft and silky to the touch, making string bending a breeze. Gauges: 0.011, 0.014, 0.018, 0.028, 0.038, 0.048. Features: Provide an extended dynamic range, incredible harmonic response, increased low end and crisp, clear highs Cobalt slinkys are also soft and silky to the touch, making string bending a breeze Cobalt provides a stronger magnetic relationship between pickups and strings