What makes Ernie Ball Cobalt Slinky strings unique?

Ernie Ball Cobalt Slinky strings feature an innovative iron/cobalt alloy winding material. This unique blend maximizes magnetic output, delivering a powerful, clear, and dynamic tone. You'll experience an extended frequency response with crisp highs, articulate mids, and a strong, defined low end, making your guitar truly cut through the mix. They also offer a smooth, comfortable feel for enhanced playability.

Who are the Ernie Ball 2728 Regular Slinky Cobalt strings designed for?

These 7-string Cobalt Slinky strings are perfect for electric guitarists seeking a high-output, articulate tone with exceptional clarity and dynamic range. Whether you play rock, metal, blues, or jazz, the enhanced magnetic response brings out the best in your instrument. The "Regular Slinky" gauges provide a balanced feel, making them comfortable for both rhythm and lead playing on your 7-string guitar.

What are the gauges of these 7-string Cobalt Slinky strings?

The Ernie Ball 2728 Regular Slinky Cobalt set for 7-string guitars includes gauges .010, .013, .017, .026, .036, .046, and .056. This popular combination offers a balanced tension across all seven strings, providing a comfortable feel for bending, chording, and maintaining clarity on the low B string. It's an excellent choice for standard 7-string tuning or slight drop tunings.

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Ernie Ball 2728 Regular Slinky Cobalt Electric Guitar Strings - .010-.056 7-string

Name: 2728 Regular Slinky Cobalt Electric Guitar Strings - .010-.056 7-string
Brand: Ernie Ball
Rating: 3 (2 reviews)

.010-.056 Electric Guitar Strings - Cobalt - 7-string

Write your review Item ID: EB2728

Ernie Ball 2728 Regular Slinky Cobalt Electric Guitar Strings - .010-.056 7-string

Backordered - More On The Way!

We expect more from Ernie Ball in just a few weeks. Order today to reserve yours now, risk-free. Estimated June 2026

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2728 Regular Slinky Cobalt Electric Guitar Strings - .010-.056 7-string (3-pack)

2728 Regular Slinky Cobalt Electric Guitar Strings - .010-.056 7-string (5-pack)

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Ernie Ball 2728 Regular Slinky Cobalt Electric Guitar Strings - .010-.056 7-string

Backordered - More On The Way!

We expect more from Ernie Ball in just a few weeks. Order today to reserve yours now, risk-free. Estimated June 2026

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Qty:

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2728 Regular Slinky Cobalt Electric Guitar Strings - .010-.056 7-string (3-pack)

2728 Regular Slinky Cobalt Electric Guitar Strings - .010-.056 7-string (5-pack)