Ernie Ball Slinky Cobalt Flatwound Bass Strings combine the smooth feel of traditional flats and the power of Cobalt. Featuring a SuperBright Cobalt ribbon wrap, Cobalt underwraps and optimal hex-core to wrap ratio, the new Flatwound bass strings are the first flat that actually feels like a flat and sounds like a round. 

Features:

• Gauges: .040, .060, .070, .095
• Precision wound with cobalt alloy ribbon wire
• Flexible construction with low finger noise
• Bright, balanced sound and smooth feel