Ernie Ball Cobalt Primo Slinky Electric Guitar Strings 9.5-44 Gauge

Ernie Ball’s most popular string gauges are now available for the Cobalt Primo Slinky electric guitar string set. All Cobalt Primo Slinky electric guitar strings feature a patented cobalt wrap wire around tin-plated hex cores for enhanced output and clarity. String gauges in this set are 9.5-44.