Store › Ernie Ball Slinky Cobalt 11-48 Ernie Ball Slinky Cobalt 11-48 $23.99 Brand: Ernie Ball Category: Strings SKU: EB2720 Availability: In Stock Purchase Added! Brand: Ernie Ball Category: Strings SKU: EB2720 Availability: In Stock Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More