Ernie Ball Cobalt Super Slinky Set, .009 - .042

Cobalt produces a stronger magnetic relationship between pickups and strings than any other alloy previously available Cobalt electric guitar strings provide an extended dynamic range, incredible harmonic response, strong low end, and crisp, clear highs Wound strings consist of Ernie Ball’s Cobalt alloy wrapped around a tin-plated high-carbon steel core wire One of the original Slinky gauges, Super Slinky has remained one of the most popular electric guitar strings for decades Made in California, USA with the finest and freshest materials