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Ernie Ball Regular Slinky Cobalt Electric Guitar Strings, 10-46 Gauge (P02721)
Price: | $9.99$9.99
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Brand | Ernie Ball |
String Gauge | .01 |
Color | Regular (10-46) |
Instrument | Electric Guitar |
String Material Type | Cobalt |
About this item
- Cobalt produces a stronger magnetic relationship between pickups and strings than any other alloy previously available
- Cobalt electric guitar strings provide an extended dynamic range, incredible harmonic response, strong low end, and crisp, clear highs
- Wound strings consist of Ernie Ball’s Cobalt alloy wrapped around a tin-plated high-carbon steel core wire
- Preferred by players across many genres, Regular Slinky’s 10-to-46 gauge has become the industry standard
- Made in California, USA with the finest and freshest materials
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WARNING:
From the brand

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Ernie Ball, the world’s leading manufacturer of strings and accessories, has been making high-quality electric guitar and bass strings since 1962. World-class players like Paul McCartney, Keith Richards, Slash, and Jimmy Page have all played Ernie Ball strings to create their unique sound.
We use the latest technologies and finest materials to continuously enhance your playing experience and provide an unparalleled palette of expressive options.
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ELECTRIC GUITAR & BASS STRINGS
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ACOUSTIC GUITAR STRINGS
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GUITAR STRAPS
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INSTRUMENT & MIC CABLES
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GUITAR PEDALS
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GUITAR ACCESSORIES
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INSTRUMENT CARE
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From the manufacturer


- Cobalt attracts the magnets in your pickups more than any other alloy available.
- Enhanced output.
- Incredible harmonic response.
- Increased low end
- Crisp, clear highs
Cobalt Slinky Guitar Strings
Engineered to maximize output and clarity, Ernie Ball Cobalt Slinky guitar strings are one of the latest innovations in string technology. Seeking to provide guitarists and bassists with a new voice, Cobalt strings provide an extended dynamic range, incredible harmonic response, increased low end, and crisp, clear highs. Cobalt provides a stronger magnetic relationship between pickups and strings than any other alloy previously available.
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Plain StringsAll plain strings feature a series of lock twists to secure the wire around the ball-end, enhancing stability and strength. |
Wound StringsCobalt Slinky strings are precision wound with a patented iron-cobalt alloy wire providing higher output and clarity with superior intonation and consistency. |
CoreThe core is made from tin-plated high-carbon steel hex wire providing excellent durability. |
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Every Time I Die plays Cobalt Regular Slinky 10 - 46. |
Steve Lukather plays Cobalt Super slinky 9 - 42. |
Kenny Wayne Shepherd plays Cobalt Power Slinky 11 - 48. |
Fuel's Andy Andersson plays Cobalt Skinny Top Heavy Bottom 10 - 52. |
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Paradigm | Pure Nickel | Nickel Wound | Cobalt | M-Steel | |
Tone | Bright, balanced | Warm, vintage | Bright, balanced | Clear, bright | Strong, clear highs and lows |
Wrap Wire | Plasma-enhanced nickel-plated steel | Pure nickel | Nickel-plated steel | Cobalt alloy | Super Cobalt alloy |
7-String Set? | ✓ | ✓ | ✓ |
Compare with similar items
![]() This item Ernie Ball Regular Slinky Cobalt Electric Guitar Strings, 10-46 Gauge (P02721) | ![]() Ernie Ball Regular Slinky Classic Pure Nickel Electric Guitar Strings, 10-46 Gauge (P02251) | ![]() Ernie Ball Extra Slinky Coated Titanium Electric Guitar Strings, 8-38 Gauge (P03125) | ![]() Ernie Ball Regular Slinky Nickel Wound Electric Guitar Strings 3 Pack - 10-46 Gauge | ![]() Ernie Ball Paradigm Regular Slinky Electric Guitar Strings, 10-46 Gauge (P02021) | ![]() D'Addario Guitar Strings - NYXL Electric Guitar Strings - NYXL1046 - Unrivaled Strength, Tuning Stability, Enhanced Mid-Range - For 6 String Guitars - 10-46 Regular Light | |
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Customer Rating | 4.7 out of 5 stars (7240) | 4.8 out of 5 stars (11224) | 4.7 out of 5 stars (1985) | 4.8 out of 5 stars (96090) | 4.7 out of 5 stars (2652) | 4.8 out of 5 stars (10397) |
Price | $9.99$9.99 | $6.99$6.99 | $10.99$10.99 | $17.99$17.99 | $14.99$14.99 | $12.99$12.99 |
Shipping | FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime | FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime | FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime | FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime | FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime | FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime |
Sold By | Amazon.com | Amazon.com | Amazon.com | Amazon.com | Amazon.com | Amazon.com |
Item Dimensions | 4.5 x 0.1 x 4.5 inches | 4.5 x 0.25 x 4.5 inches | 4.25 x 0.5 x 5.5 inches | 4.5 x 1 x 6 inches | 4.38 x 0.75 x 4.75 inches | 4.3 x 0.32 x 4.5 inches |
Size | Single Pack | Single Pack | Extra | 3-Pack | Single Pack | 1-Pack |
String Gauge | .01 | .01 | .008 | .01 | Custom | .01 |
String Material Type | Cobalt | Nickel | Titanium | Nickel | Brass | Nickel |
Product Description
Engineered to maximize output and clarity, Ernie Ball Cobalt Slinky guitar strings are one of the latest innovations in string technology. Seeking to provide guitarists and bassists with a new voice, Cobalt strings provide an extended dynamic range, incredible harmonic response, increased low end, and crisp, clear highs. Cobalt provides a stronger magnetic relationship between pickups and strings than any other alloy previously available.
Product information
Item Weight | 0.96 ounces |
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Product Dimensions | 4.5 x 0.1 x 4.5 inches |
Country of Origin | USA |
ASIN | B007BY2F7O |
Item model number | P02721 |
Customer Reviews |
4.7 out of 5 stars |
Best Sellers Rank | #354 in Musical Instruments (See Top 100 in Musical Instruments) #7 in Electric Guitar Strings |
Is Discontinued By Manufacturer | No |
Date First Available | February 22, 2012 |
Color Name | Regular (10-46) |
String Gauge | .01 |
String Material | Cobalt |
Number of Strings | 6 |
Material Type | Synthetic |
Size | Single Pack |