Ernie Ball 2731 Cobalt Power Slinky BassGuitar Strings , .055 - .110

Next-gen Bass Strings

Ernie Ball Cobalt bass strings are made of a new alloy formulation thatgives you higher output, better sound, and longer life.
Cobalt strings' special iron/cobalt blend attracts the magnets inyour pickups better than any other alloy. When you string up with
Ernie Ball Cobalts, you'll immediately notice the incrediblecomfort these strings offer - silky and pliable under your frettingfingers;
your fingers will seem to glide over the strings, letting youexecute fast passages effortlessly. And when you plug in, you'll getincreased power, beefy yet defined lows, improved midrange focus,harmonics, and sustain, and crisp highs. Try a set of Ernie Ball Cobaltstrings - you're gonna love 'em!

Ernie Ball Cobalt 4-string Bass Strings Features:

Punchier, higher output strings
Beefier lows, with increased definition and growl
Increased midrange focus, harmonics, and sustain
Longer-lasting than conventional strings
.055, .075, .090, .110
Made in USA