---
product_id: 274928736
title: "Ernie Ball Power Slinky Cobalt 7-String Electric Guitar Strings - 11-58 Gauge"
brand: "ernie ball"
price: "₪139"
currency: ILS
in_stock: true
url: https://www.desertcart.co.il/products/274928736-ernie-ball-power-slinky-cobalt-7-string-electric-guitar-strings
store_origin: IL
region: Israel
---

# Cobalt alloy for max output Enhanced harmonic clarity 7-string extended range Ernie Ball Power Slinky Cobalt 7-String Electric Guitar Strings - 11-58 Gauge

**Brand:** ernie ball
**Price:** ₪139
**Availability:** ✅ In Stock

## Summary

> 🎸 Power your sound with the ultimate 7-string clarity!

## 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?** ₪139 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.il](https://www.desertcart.co.il/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

- • **Custom Light Gauge:** Balanced 11-58 gauge for optimal playability and tone
- • **Dynamic Sonic Clarity:** Engineered for crisp highs and strong low-end punch
- • **Extended 7-String Range:** Explore deeper lows and soaring highs with 7-string versatility
- • **Unmatched Magnetic Power:** Cobalt alloy boosts pickup response for richer tone
- • **Premium American Craftsmanship:** Made in the USA with precision and quality

## Overview

Ernie Ball Power Slinky Cobalt 7-String Electric Guitar Strings (11-58 gauge) feature a revolutionary cobalt alloy that enhances magnetic pickup interaction, delivering extended dynamic range, superior harmonic response, and a balanced tone with crisp highs and strong lows. Crafted in the USA, these custom light gauge strings are engineered for professional guitarists seeking cutting-edge performance and clarity.

## Description

Ernie Ball Power Slinky Cobalt 7-String Electric Guitar Strings - 11-58 Gauge

## 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 |
|---------------|-------|
| Item Weight | 36.3 g |
| Product Dimensions | 10.8 x 1.27 x 13.97 cm; 36.29 g |
| Item model number | P02729 |
| Body Material | Metal |
| Color Name | Power (11-58) |
| String Gauge | Custom Light |
| String Material | Cobalt |
| Number of Strings | 7 |
| Material Type | Steel |
| Size | Power |

## Product Details

- **Brand:** Ernie Ball
- **String gauge:** Custom Light
- **Colour:** Power (11-58)
- **Instrument:** Electric Guitar
- **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!

## 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)

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**Shop now:** [https://www.desertcart.co.il/products/274928736-ernie-ball-power-slinky-cobalt-7-string-electric-guitar-strings](https://www.desertcart.co.il/products/274928736-ernie-ball-power-slinky-cobalt-7-string-electric-guitar-strings)

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*Product available on Desertcart Israel*
*Store origin: IL*
*Last updated: 2026-01-22*