Pricing and availability

We compare 600+ stores and found this item at 7 stores. Prices updated .

Sweetwater
3.5 (9)
$16.99
Guitar Center
4.5 (8)
$16.99
Amazon
4.8 (1871)
$10.99
Reverb
5.0 (3)
$8.99 New
$19.99 Used
Musician's Friend
4.0 (8)
$16.99
zZounds
5.0 (2)
$16.99

Price History

Based on price data from 4 merchants for "Ernie Ball Skinny Top Heavy Bottom Slinky 7-String Cobalt Guitar Strings (10-62)". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

Crafted for the guitarist seeking the perfect balance between clarity and depth, the Ernie Ball Skinny Top Heavy Bottom Slinky 7-String Cobalt Guitar Strings (10-62) offer an unparalleled sonic experience. These strings are engineered with a unique iron/cobalt alloy, enhancing durability and expanding the tonal range. Whether you're shredding solos or laying down rhythm, these strings ensure your music resonates with precision and warmth.

Key Features:

  • Sizes: .010, .013, .017, .030, .042, .052, .062
  • Hexagonal steel core wire for a firm grip and enhanced playability
  • Cobalt-plated steel wire wrapping, extending string life and tonal spectrum
  • Eco-friendly packaging, reflecting our commitment to sustainability

Product specs

Brand Ernie Ball
Model 2730 Cobalt 7-String Skinny Top Heavy Bottom Electric Guitar Strings (10-62)
Finish Silver
Year 2010s
Categories Guitar Strings

FAQs

What are the benefits of using Ernie Ball Cobalt strings for a 7-string guitar?

Ernie Ball Cobalt strings offer enhanced magnetic properties, providing a stronger output and more pronounced highs and lows. This makes them ideal for players seeking a dynamic tone with clear articulation, especially beneficial for the extended range of a 7-string guitar.

Are Ernie Ball Skinny Top Heavy Bottom Slinky strings suitable for drop tunings?

Yes, these strings are well-suited for drop tunings. The heavier bottom strings provide stability and maintain tension for lower tunings, while the lighter top strings allow for easy bending and lead play.

How do Skinny Top Heavy Bottom strings affect playability on a 7-string guitar?

These strings offer a balanced playability, with the lighter top strings facilitating solos and bends, and the heavier bottom strings ensuring tight rhythm sections. This combination is particularly advantageous for players who switch between lead and rhythm playing.

What gauge are the Ernie Ball Skinny Top Heavy Bottom Slinky 7-String Cobalt strings?

The gauge for these strings ranges from .010 to .062, providing a mix of lighter top strings for flexibility and heavier bottom strings for depth and stability.

How do Cobalt strings differ from standard nickel-wound guitar strings?

Cobalt strings offer improved sustain and clarity due to their enhanced magnetic interaction with pickups. They also provide a smoother feel and longer string life compared to traditional nickel-wound strings.

Mr_Seiya

Mr_Seiya

Testing ERNIE BALL Cobalt 7-String Skinny Top Heavy Bottom #2730

Video thumbnail for Testing ERNIE BALL Cobalt 7-String Skinny Top Heavy Bottom #2730 by Mr_Seiya

Testing ERNIE BALL Cobalt 7-String Skinny Top Heavy Bottom #2730

Mr_Seiya

Mr_Seiya

Reviews

PROS

  • Perfect tension balance on 25.5" scale 7-string guitars

  • Crisp, bright cleans with clear, loud distortion

  • Punchy and vibrant tone enhances guitar sound

  • Cobalt material offers longer-lasting attack and presence

  • Improved tuning stability and response

  • Excellent for down tuning to Drop A and Drop C

  • Ideal for guitars with clogged midrange due to scooped mids

  • Clear low B string with no flubbiness

  • Strings resonate with pitch-perfect stability

  • Enhanced bounciness and longevity compared to standard strings

CONS

  • Can be pricey for some users

  • String breakage reported when tuning to Drop C

  • Might be overkill loud for high output pickups

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Ernie Ball Skinny Top Heavy Bottom Slinky 7-String Cobalt Guitar Strings (10-62).

User experience

  • Owners note these strings maintain their "snap and immediacy" for over six months, indicating impressive longevity compared to traditional nickel strings.

    Source
  • A user described achieving a fluid playing style by balancing tension with string gauge, while considering professional setup for storing guitars.

    Source

Comparisons

  • Cobalt strings produce a notably brighter and crunchier tone compared to nickel, especially when used in jazz-inspired metal settings.

    Source
  • Ernie Ball strings have been compared to D'Addario for their less balanced tension, particularly noting differences in the B string thickness.

    Source
  • Ernie Ball Slinky Cobalt 10-56 strings are favored for maintaining normal tension on a 25.5" scale guitar.

    Source

Features and functionality

  • The strings reportedly feel stiffer out of the box but provide a loud sound that many prefer for extended scale-length guitars.

    Source
  • Heavier strings are noted to produce more bass, potentially causing muddiness in metal or death metal settings.

    Source

Use cases and applications

  • These strings are favored for styles similar to Animals as Leaders and Dillinger Escape Plan, emphasizing their suitability for complex, high-gain music.

    Source
  • Owners highlight that heavier strings can add muddiness in a band context, especially when using 7-string guitars.

    Source

Setup and maintenance

  • A user found that thicker gauges help achieve low action, specifically 1.8mm, without fret buzz on a 26.5" scale guitar.

    Source

5.0 out of 5

Based on 1 Review and 4 Ratings

5 star
4 star
3 star
2 star
1 star
uncannyadam

Turned my lifeless 7 string into a beast

going up an extra gauge on the thicker strings really made a difference. I find the cobalt wound strings are less harsh on the fingertips, and bend easier

Artist usage

Add artist
See how Issac Hale uses Ernie Ball Skinny Top Heavy Bottom Slinky 7-String Cobalt Guitar Strings (10-62)

Issac Hale

Guitarist

KNocked Loose

...
Verified via Photo

both cole and isaac use 7 string cobalt ernie ball strings

See how Cole Crutchfield uses Ernie Ball Skinny Top Heavy Bottom Slinky 7-String Cobalt Guitar Strings (10-62)

Cole Crutchfield

Guitarist

KNocked Loose

...
Verified via Photo

Cole Crutchfield uses Ernie Ball Skinny Top Heavy Bottom Slinky 7-String Cobalt Guitar Strings (10-62) for some of his guitars, as shown in a thank-you post on Instagram for the care package from Ernie Ball.

See how Johnny Braddock uses Ernie Ball Skinny Top Heavy Bottom Slinky 7-String Cobalt Guitar Strings (10-62)

Johnny Braddock

Guitarist

Get Scared

...
Verified via YouTube

In the video titled "Get Scared's Johnny Braddock - GEAR MASTERS (Revisited) Ep. 75" by Digital Tour Bus, Johnny Braddock states that he uses Ernie Ball Skinny Top Heavy Bottom Slinky 7-String Cobalt Guitar Strings (10-62) on his guitar.

Genre Usage

Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.

Used With

Based on how musicians on Equipboard use Ernie Ball Skinny Top Heavy Bottom Slinky 7-String Cobalt Guitar Strings (10-62), it is most commonly used with the following gear.

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