Guitar Strings

Introducing the Ernie Ball 10440 Slinky Cobalt 40 electric guitar string, which is durable and has a round cobalt core, perfect for players allergic to nickel. This 40 gauge model is ideal for artists looking for high quality strings, offering low noise production when fingers slide and easy handling.

ARTICLE N° 95061
  • Ernie Ball 10440 Slinky Cobalt 40
  • Electric guitar string
  • Unit packaging
  • Yarn: round
  • Material: cobalt
  • Pull: 40
  • Resistant to oxidation and wear
  • Made in the USA
To get better tone from your electric guitar, the Ernie Ball 10440 Slinky Cobalt 40 string with round cobalt core is a great option.

With a 40 gauge sold per piece, this model is ideal for guitarists allergic to nickel and is made in the United States.

This product is made from premium quality materials, thus providing extended service life, significantly reduced finger-rubbing noise and improved corrosion resistance.

Due to its soft and fine texture, the round wound of this string emits a brighter sound.

If you want to benefit from increased dynamic range and easier bending, the Slinky Cobalt model is suited to your needs.
Type of guitar
 Electric guitar
Instrument type
 Electric guitar
Gauge of the pack
 040
Number of strings
 1
Installation type
 ball-end strings
Core Wire
 Tinned Steel
Wiring type
 Round Wound
Wiring material
 Cobalt