--- product_id: 274928736 title: "Ernie Ball Power Slinky Cobalt 7-String Electric Guitar Strings - 11-58 Gauge" brand: "ernie ball" price: "€ 29.60" currency: EUR in_stock: true reviews_count: 5 category: "Ernie Ball" url: https://www.desertcart.gr/products/274928736-ernie-ball-power-slinky-cobalt-7-string-electric-guitar-strings store_origin: GR region: Greece --- # 11-58 gauge for dynamic power 7-string set for extended range Cobalt alloy boosts magnetic pickup response Ernie Ball Power Slinky Cobalt 7-String Electric Guitar Strings - 11-58 Gauge **Brand:** ernie ball **Price:** € 29.60 **Availability:** ✅ In Stock ## Summary > 🎶 Elevate your sound with the power of Cobalt – because your tone deserves the spotlight. ## Quick Answers - **What is this?** Ernie Ball Power Slinky Cobalt 7-String Electric Guitar Strings - 11-58 Gauge by ernie ball - **How much does it cost?** € 29.60 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/274928736-ernie-ball-power-slinky-cobalt-7-string-electric-guitar-strings) ## 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 - • **Extended Sonic Range:** 7-string design expands your musical horizons with deep lows and sparkling highs. - • **Precision Gauge Power:** Custom 11-58 gauge balances playability with punchy output for professional performance. - • **Unmatched Magnetic Clarity:** Cobalt alloy creates the strongest pickup-string connection ever, delivering crystal-clear tone. - • **Engineered for Output & Clarity:** Optimized core and winding maximize harmonic response and dynamic expression. - • **Made in the USA with Pro-Grade Quality:** Trusted craftsmanship ensures durability and consistent tone session after session. ## Overview Ernie Ball Power Slinky Cobalt 7-string electric guitar strings (11-58 gauge) feature a revolutionary cobalt alloy that enhances magnetic pickup interaction for superior output and clarity. Designed for extended dynamic range and harmonic richness, these American-made strings deliver strong lows and crisp highs, perfect for professional guitarists seeking cutting-edge tone and durability. ## Description Engineered to maximize output and clarity, Ernie Ball Cobalt Slinky 7-string guitar string sets are one of the latest innovations in string technology. Seeking to provide guitarists and bassists with a current 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. Review: Très bon article - très bon produit! Review: Verfügbarkeit - Schnelle Lieferung quasi immer Verfügbar Super Preis ## Features - Cobalt produces a stronger magnetic relationship between pickups and strings than any other alloy previously available. - Cobalt 7-string 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. - Engineered to maximize output and clarity. - Made in the USA. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B009YPC4YC | | Body Material Type | Metal | | Brand | Ernie Ball | | Brand Name | Ernie Ball | | Coating Description | Uncoated | | Coating description | Uncoated | | Color | Power (11-58) | | Colour | Power (11-58) | | Country of Origin | USA | | Customer Reviews | 4.7 out of 5 stars 271 Reviews | | Finish Type | Uncoated | | Global Trade Identification Number | 00749699127291 | | Instrument | Electric Guitar | | Item Type Name | Electric Strings | | Item Weight | 36 g | | Manufacturer | Ernie Ball | | Manufacturer Part Number | P02729 | | Material Type | Steel | | Model Name | Power Slinky | | Model Number | P02729 | | Recommended Uses For Product | Guitar | | Set Name | Power Slinky | | Sound Profile | Bright, clear with strong bass | | String Gauge | Custom Light | | String Material Type | Cobalt | | String gauge | Custom Light | | String material type | Cobalt | | UPC | 749699127291 | | Unit Count | 1 Count | ## Product Details - **Brand:** Ernie Ball - **Colour:** Power (11-58) - **Instrument:** Electric Guitar - **String gauge:** Custom Light - **String material type:** Cobalt ## Images ![Ernie Ball Power Slinky Cobalt 7-String Electric Guitar Strings - 11-58 Gauge - Image 1](https://m.media-amazon.com/images/I/81qg411XWEL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Can these strings handle drop G?** A: I haven't tried drop g, but I Play in drop G# no problem. I have a 26.5 scale length, so if you have a 27' it would definitely work. Probably not with a 25.5' though **Q: would these things handle adgcfad tuning? I'm new to guitars and I wanna jam to some Korn** A: These can take ADGCFAD perfectly fine the strings themselves are good for 25.5 inch scale length but even better on a guitar with 26.5 inch scale regardless they have clarity bite and good feel and I highly recommend them for all styles of music. **Q: I need serious advice. Could I use the lower half of these on my 6 string, just to play music for one band? (Deftones)** A: Yes, you can and I have as long as your bridge will fit the strings through it. You will definitely need to adjust the setup though and the longer the scale length the better. **Q: What is the gauge of the 3rd string supposed to be? My set came with 2 13's** A: Gauges for the Ernie Ball 2730 set are: 10-13-17-30-42-52-62. Thanks! ## Customer Reviews ### ⭐⭐⭐⭐⭐ Très bon article *by D***S on 16 July 2021* très bon produit! ### ⭐⭐⭐⭐⭐ Verfügbarkeit *by K***I on 5 December 2025* Schnelle Lieferung quasi immer Verfügbar Super Preis ### ⭐⭐⭐⭐⭐ Excelente calidad *by C***E on 22 May 2021* Me encantan a muy buen precio y muy buena calidad ## Frequently Bought Together - Ernie Ball 7-String Power Slinky Cobalt Electric Guitar Strings, 11-58 Gauge (P02729) - Ernie Ball Power Slinky Cobalt Electric Guitar Strings, 11-48 Gauge (P02720) --- ## 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/274928736-ernie-ball-power-slinky-cobalt-7-string-electric-guitar-strings](https://www.desertcart.gr/products/274928736-ernie-ball-power-slinky-cobalt-7-string-electric-guitar-strings) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-06-03*