Ernie Ball 2731

These extra-thick, extra-durable bass strings offer full-fat tone alongside excellent tension - even in drop-tunings. The legendary 'Slinky' construction has a light and supple feel beneath the fingers while Ernie Ball's special Cobalt pulls clear and defined dynamics out of your bass and prolongs lifespan of the strings. The Ernie Ball 2731 Cobalt Power Slinky bass strings come in gauges .055, .075, .090, and .110. Ernie Ball Cobalt Power Slinky Strings The use of cobalt also boosts the magnetic attraction between the pickups and strings to guarantee an incomparable dynamic range, excellent overtone response, a potent bottom-end, and excellent high-end clarity. These strings also come in an airtight pack so they sound as fresh as they did the day they were born.