What makes Ernie Ball Cobalt Slinky strings different from other strings?

Ernie Ball Cobalt Slinky strings feature a unique iron/cobalt alloy winding. This material maximizes magnetic output, delivering a powerful, clear, and dynamic tone with an extended frequency range. Players often notice improved sustain and a soft, silky feel, making them comfortable to play and highly responsive to your playing style.

What kind of sound can I expect from these Super Slinky Cobalt strings?

These Super Slinky Cobalt strings offer a bright, articulate tone with enhanced clarity and punch, thanks to the iron/cobalt alloy. The .009-.042 gauges provide a flexible feel, making them great for bending and fast playing, while still delivering a robust sound with plenty of output and dynamic range for various musical genres.

Who are the .009-.042 Super Slinky gauges best suited for?

The .009-.042 Super Slinky gauges are popular among players who prefer a lighter touch and easier playability. They are excellent for lead guitarists who enjoy bending notes and performing fast runs. Many rock, blues, and pop guitarists find these gauges offer a comfortable feel and a vibrant, expressive tone that responds well to their technique.

What is included in this Ernie Ball 3723 Super Slinky Cobalt pack?

This Ernie Ball 3723 pack includes three individual sets of Super Slinky Cobalt electric guitar strings. Each set contains six strings with gauges .009, .011, .016, .024, .032, and .042. It's a convenient way to stock up on your favorite strings, ensuring you always have a fresh set ready for your electric guitar.

Are these Ernie Ball Super Slinky Cobalt strings coated for extended life?

No, Ernie Ball 3723 Super Slinky Cobalt strings are not coated. They feature a traditional round wound design with an iron/cobalt alloy winding over a steel core, providing their signature bright tone and powerful output. While not coated, their quality construction ensures reliable performance and a consistent feel.

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Ernie Ball 3723 Super Slinky Cobalt Electric Guitar Strings - .009-.042 (Factory 3-pack)

Name: 3723 Super Slinky Cobalt Electric Guitar Strings - .009-.042 (Factory 3-pack)
Brand: Ernie Ball
Rating: 5 (2 reviews)

.009-.042 Electric Guitar Strings, Cobalt - 3 pack

Write your review Item ID: EB3723

Ernie Ball 3723 Super Slinky Cobalt Electric Guitar Strings - .009-.042 (Factory 3-pack)

In Stock!

(Hurry, limited quantity available) Estimated May 7, 2026

This item is not available for local pick-up. Place your order now and your gear will be on its way to you!

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Ernie Ball 3723 Super Slinky Cobalt Electric Guitar Strings - .009-.042 (Factory 3-pack)

In Stock!

(Hurry, limited quantity available) Estimated May 7, 2026

This item is not available for local pick-up. Place your order now and your gear will be on its way to you!

Qty: