Ernie Balls most popular string gauges are now available for Cobalt Slinky and Cobalt Slinky Bass sets. Gauges include Ultra, Burly, Mammoth, and Primo Slinky for guitar as well as 5 and 6-string sets for bass. All Cobalt Slinky and Cobalt Slinky Bass strings feature a patented cobalt wrap wire around tinplated hex cores for enhanced output and clarity.

Features

• Engineered for maximum output and clarity
• Precision wound with iron-cobalt wrap wire
• Crisp, clear highs and increased low end