--- product_id: 123024950 title: "Extra Slinky Cobalt Electric Guitar Strings - 8-38 Gauge" brand: "ernie ball" price: "€ 35.74" currency: EUR in_stock: true reviews_count: 13 category: "Ernie Ball" url: https://www.desertcart.gr/products/123024950-extra-slinky-cobalt-electric-guitar-strings-8-38-gauge store_origin: GR region: Greece --- # Extra Slinky 8-38 gauge for lightning-fast play Cobalt alloy for stronger magnetic output Proudly made in the USA Extra Slinky Cobalt Electric Guitar Strings - 8-38 Gauge **Brand:** ernie ball **Price:** € 35.74 **Availability:** ✅ In Stock ## Summary > 🎶 Unleash your sonic edge with Ernie Ball Cobalt – where speed meets power! ## Quick Answers - **What is this?** Extra Slinky Cobalt Electric Guitar Strings - 8-38 Gauge by ernie ball - **How much does it cost?** € 35.74 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/123024950-extra-slinky-cobalt-electric-guitar-strings-8-38-gauge) ## Best For - ernie ball enthusiasts ## Why This Product - Trusted ernie ball brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Dynamic Sonic Range:** Experience crisp highs, strong lows, and harmonics that cut through the mix. - • **Ultra-Light Tension:** Extra Slinky gauge (8-38) ensures effortless bends and blazing fretboard speed. - • **Magnetic Power Boost:** Cobalt strings amplify pickup output for richer tone and volume. - • **Smooth, Durable Feel:** Tin-plated high-carbon steel core wrapped in cobalt alloy for lasting playability. - • **American Craftsmanship:** Precision-made in the USA, trusted by pros for consistent quality. ## Overview Ernie Ball Extra Slinky Cobalt Electric Guitar Strings (8-38 gauge) combine a cobalt alloy wrap with a tin-plated high-carbon steel core to deliver enhanced magnetic output, extended dynamic range, and ultra-light tension for fast, expressive playing. Made in the USA, these strings offer a balanced sound with crisp highs and strong lows, perfect for professional guitarists seeking superior tone and playability. ## Description Buy Ernie Ball Extra Slinky Cobalt Electric Guitar Strings - 8-38 Gauge. Free delivery and returns on eligible orders. Review: Very good strings - I’ve not tried this particular one before, usually opting for the Ernie ball 9’s ( pink pack) but I wanted to try the 8’s , they are pretty good to be fair , not broken one ( yet , and I do tend to dig in a bit) stay in tune very well, ( after a good stretch) good sound and a decent price, will buy again, not had them long enough to rust yet, but I play every day so that’ll keep it down Review: Converted to Cobalts! - Bought these on a whim as I've used Ernie Ball's extra slinky nickel wound for years, but thought I'd try out the cobalt version. Since then I only use cobalts! The volume and tone (whether plugged in or not) seems increased, the cleans sound prettier and full (but not muddy), and when put through distortion it sounds crisper, both chords and single notes stand out better than ever. The feel is smoother than nickel wound, and if you've bought/used to extra slinky you'll already know about the insane bends you can pull off. A friend of mine uses Cobalts (13's as supposed to my 8's) to help with a Nickel allergy and confirms the improvement on the thicker end of the scale as well, so added bonus there! The only negative side, and it's not a biggy is they go darker faster than nickel wound, normally this is a sign you need to change them when it's nickel wound but it's not necessarily the case with Cobalts. ## Features - Cobalt produces a stronger magnetic relationship between pickups and strings, resulting in increased output. - 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. - Extra Slinky brings extra light tension for fast and easy play across the fretboard. - Made in the USA. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B007NCVWNW | | Best Sellers Rank | 543 in Musical Instruments & DJ ( See Top 100 in Musical Instruments & DJ ) 41 in Guitar Strings | | Body Material Type | Steel | | Brand | Ernie Ball | | Brand Name | Ernie Ball | | Coating Description | uncoated | | Coating description | uncoated | | Colour | Extra (8-38) | | Country of Origin | USA | | Customer Reviews | 4.6 out of 5 stars 522 Reviews | | Finish Type | Uncoated | | Global Trade Identification Number | 00749699127253 | | Included Components | Guitar Strings | | Instrument | Electric Guitar | | Item Type Name | Electric Strings | | Item Weight | 18 g | | Manufacturer | Ernie Ball | | Manufacturer Part Number | 2725 | | Material Type | Steel | | Model Name | Extra Slinky | | Model Number | P02725 | | Number of Items | 1 | | Product Warranty | None. | | Recommended Uses For Product | Electric Guitar | | Set Name | Ernie Ball Extra Slinky Cobalt | | Sound Profile | Balanced with slight emphasis on lows and highs | | String Gauge | Extra Light (.008, .011, .014, .022w, .030, .038) | | String Material Type | Cobalt | | String gauge | Extra Light (.008, .011, .014, .022w, .030, .038) | | String material type | Cobalt | | UPC | 749699127253 | | Unit Count | 1 count | ## Product Details - **Brand:** Ernie Ball - **String gauge:** Extra Light (.008, .011, .014, .022w, .030, .038) - **Colour:** Extra (8-38) - **Instrument:** Electric Guitar - **String material type:** Cobalt ## Images ![Extra Slinky Cobalt Electric Guitar Strings - 8-38 Gauge - Image 1](https://m.media-amazon.com/images/I/81UTEdg5WJL.jpg) ## Available Options This product comes in different **Color, Style** options. ## Questions & Answers **Q: What is the difference between the Power and Super strings?** A: Power Slinky are 2 standard gauges thicker than Super Slinky. So the only difference is the thickness of the strings. **Q: Can these be used in drop b on a les paul style guitar** A: I've used them drop c on my les paul and not too bad **Q: Will these work on an acoustic guitar** A: I always use Ernie Ball .009 -.042 on my acoustic as I like light strings and they keep a good tone for weeks. **Q: I understand only the 4th, 5th and 6th are coated. The plain strings are the same as a normal SS pack. Is that right?** A: Hi, These aren't coated strings. They are made of cobalt which reacts with the pickups a bit more to increase output. The 4th, 5th and 6th strings are made with cobalt but the plains are standard ernie ball plains. Thanks EmileStrings Direct ## Customer Reviews ### ⭐⭐⭐⭐⭐ Very good strings *by A***R on 21 October 2024* I’ve not tried this particular one before, usually opting for the Ernie ball 9’s ( pink pack) but I wanted to try the 8’s , they are pretty good to be fair , not broken one ( yet , and I do tend to dig in a bit) stay in tune very well, ( after a good stretch) good sound and a decent price, will buy again, not had them long enough to rust yet, but I play every day so that’ll keep it down ### ⭐⭐⭐⭐⭐ Converted to Cobalts! *by A***D on 16 March 2016* Bought these on a whim as I've used Ernie Ball's extra slinky nickel wound for years, but thought I'd try out the cobalt version. Since then I only use cobalts! The volume and tone (whether plugged in or not) seems increased, the cleans sound prettier and full (but not muddy), and when put through distortion it sounds crisper, both chords and single notes stand out better than ever. The feel is smoother than nickel wound, and if you've bought/used to extra slinky you'll already know about the insane bends you can pull off. A friend of mine uses Cobalts (13's as supposed to my 8's) to help with a Nickel allergy and confirms the improvement on the thicker end of the scale as well, so added bonus there! The only negative side, and it's not a biggy is they go darker faster than nickel wound, normally this is a sign you need to change them when it's nickel wound but it's not necessarily the case with Cobalts. ### ⭐⭐⭐⭐⭐ Great product *by M***L on 5 August 2016* Just fitted these to my 80s Washburn and boy do they sing! Fantastic strings, beautiful sound and good value for money. Would recommend them especially if you want a string that's a super light action and bends really easily. ## Frequently Bought Together - Ernie Ball Extra Slinky Cobalt Electric Guitar Strings, 8-38 Gauge (P02725) - Ernie Ball Zippy Slinky Nickel Wound Electric Guitar Strings, 7-36 Gauge (P02217) - Ernie Ball Extra Slinky Coated Titanium Electric Guitar Strings, 8-38 Gauge (P03125) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.gr/products/123024950-extra-slinky-cobalt-electric-guitar-strings-8-38-gauge](https://www.desertcart.gr/products/123024950-extra-slinky-cobalt-electric-guitar-strings-8-38-gauge) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-09-18*