Ernie Ball 2721 Slinky Cobalt Electric Regular, Guitar Strings 10-46
Cobalt, a New Sound.
If you want to get the more output or volumen from your guitar buy Ernie ball Cobalt. This strings sound more, last and feel good in your fingers. Cobalt strings are real, you can hear the new sound, feel the improvements, you can notice the output and the response of cobalt. Ernie Ball Cobalt are approve by many professional musicians!