Ernie Ball Cobalt Flatwound Slinky Strings

Powerful, bright, loud, and proud!  Ernie Ball Slinky cobalt flatwound strings are the brightest flats available.  Using their patented, heady cobalt-iron alloy Ernie Ball has created strings that play and feel smooth like typical flats but with the bright, vibrant tone you expect from the Slinky range.