Guitar Strings

The 10640 Slinky Cobalt 40 string from Ernie Ball is a high quality 40 gauge bass string made from cobalt. Cobalt strings feature dynamic range, remarkable harmonics, intense lows and clear, crisp highs. Due to its round wound construction, this American string guarantees you a more vibrant sound quality.

ARTICLE N° 93916
  • Ernie Ball 10640 Slinky Cobalt 40
  • Bass string
  • Unit packaging
  • Yarn: round
  • Material: cobalt
  • Pull: 40
  • Resistant to oxidation and wear
  • Made in the USA
Bring a youthful touch to your guitar with this 40 gauge cobalt string from Ernie Ball. The 10640 Slinky Cobalt 40 is an American designed product with a round thread. Thanks to this feature, you will notice an improvement in the sound clarity of your guitar.

Cobalt strings feature dynamic range, remarkable harmonics, intense lows and clear, crisp highs. In terms of magnetic attractiveness, cobalt outperforms other iron and nickel alloys.

Opting for Ernie Ball strings means ensuring you benefit from internationally recognized quality and reputation. Many famous artists have already opted for the latter.

Why not do the same?
Type of guitar
 Electric guitar
Instrument type
 Acoustic bass, Electric bass
Gauge of the pack
 040
Number of strings
 1
Installation type
 ball-end strings
Core Wire
 Cobalt
Wiring type
 Round Wound
Wiring material
 Cobalt