





Guyker FB-07 CNC Aluminum 7-String Ferrule Block for Through-Body Guitars
SKU:FB-07-Chrome
PRODUCT DESCRIPTION
Give your 7-string electric guitar a clean, organized through-body string mounting solution. The Guyker FB-07 ferrule block features a one-piece CNC-machined aluminum construction that integrates seven string ferrules into a single unit. Designed for compatible through-body guitar builds, replacements, and customization projects, it offers a streamlined appearance and five anodized color options.
Key Features
- One-Piece 7-String Design: Integrates seven string mounting positions into a single ferrule block, providing a clean and consistent rear string layout.
- CNC-Machined Aluminum Construction: Precision-machined from aluminum for a durable, lightweight guitar hardware component.
- Through-Body String Mounting: Designed to support through-body string installation on compatible 7-string electric guitars.
- Clean Rear-Body Appearance: The integrated design provides a streamlined alternative to individually installed string ferrules.
- Multiple Color Options: Available in Chrome, Gold, Red, Green, and Black anodized finishes to complement different guitar designs.
- Fitment Reminder: Please verify the mounting screw spacing, string hole alignment, body dimensions, and installation depth before ordering.
Technical Specifications
| SKU / Model | FB-07 |
| Product Type | 7-String Guitar Ferrule Block |
| Suitable For | Compatible 7-String Electric Guitars |
| Mounting Style | Through-Body |
| Material | Aluminum |
| Manufacturing Process | CNC Machined |
| Finish | Anodized |
| Color Options | Chrome / Gold / Red / Green / Black |
| Overall Length | 85.6 mm (3.37") |
| Width | 12.5 mm (0.49") |
| Height | 12.5 mm (0.49") |
| String Spacing | 10.8 mm |
| Total String Spread | 64.7 mm |
| Mounting Screw Spacing | 78 mm |
| String Hole Diameter | Ø6.2 mm |
| Package Quantity | 1 PC |
Compatibility Notes
Designed for 7-string electric guitars using a through-body string mounting system. Suitable for compatible guitar building, hardware replacement, and custom modification projects.
Important: Please confirm the 78 mm mounting screw spacing, Ø6.2 mm string hole diameter, string spacing, overall block dimensions, and installation depth before purchasing.
Fitment Notice: Guitar body dimensions, mounting hole positions, and string-through layouts may vary between manufacturers and models. This ferrule block is not guaranteed to fit every 7-string guitar. Body modification or professional installation may be required.
All dimensions may vary by ±1 mm due to manual measurement.
Package Includes
- 1 x Guyker FB-07 CNC Aluminum 7-String Ferrule Block
Installation Note
Before installation: Compare the product dimensions with your existing hardware and guitar body layout. Ensure proper string hole alignment and adequate mounting space before drilling or modifying the guitar body.
Professional installation is recommended if routing, drilling, or other guitar body modifications are required.
Size Reference
Important: Please refer to the original dimension drawing below and compare all measurements with your guitar before placing your order.

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FAQS
Do you class a reverse headstock guitar as a left hand guitar?
How do I determine the right size/fit for a specific accessory?
Can you provide more details about the materials used in your products?
At Guyker, we prioritize the use of high-quality materials to ensure the durability and performance of our products. While the specific materials used may vary depending on the accessory, we commonly utilize materials such as:
■ Metals: We often use materials like stainless steel, aluminum, and brass for hardware, bridges, and other metal components.
■ Plastics: Certain accessories may incorporate durable and impact-resistant plastics such as ABS or polycarbonate for knobs, pickguards, and other components.
■ Woods: Some accessories, like guitar knobs or picks, may be made from various types of wood, including rosewood, ebony, or maple.
For more detailed information about the materials used in a specific product, we recommend reviewing the product descriptions or reaching out to our customer support team at [support@guyker.com] for further clarification.
Do you offer international shipping?
Yes, we offer international shipping to customers worldwide. When placing your order, please ensure that you provide accurate international shipping information, including your complete address and contact details.
Please note that international shipping may be subject to customs duties, taxes, and additional fees imposed by the destination country. These charges are the responsibility of the recipient and may vary depending on the country's customs policies.
What is your process for returning or exchanging a product?
To initiate a return or exchange, please follow these steps:
■ Contact our customer support team at [support@guyker.com] or visit our website's Returns/Exchanges page.
■ Provide your order details and the reason for the return or exchange.
■ Our customer support team will guide you through the process and provide you with a return/exchange authorization if applicable.
■ Follow the instructions provided, including packaging the product securely and attaching the necessary labels or documentation.
■ Ship the product back to us using a traceable and insured shipping method.
■ Once we receive the returned product and verify its condition, we will process the return or exchange accordingly.
Can I return or exchange a product if it's been used?
In most cases, products that have been used or show signs of wear may not be eligible for return or exchange unless there is a defect or error on our part. We recommend reviewing our specific return/exchange policy or contacting our customer support team at [support@guyker.com] to determine the eligibility of your particular product.
Do I need to cover the return shipping costs?
The responsibility for return shipping costs may vary depending on the reason for the return or exchange. In some cases, such as if the product is defective or if we made an error, we will provide a prepaid shipping label or reimburse your return shipping costs. However, if the return or exchange is due to a change of mind or a non-defective product, you may be responsible for the return shipping costs. We recommend reviewing our return/exchange policy or contacting our customer support team at [support@guyker.com] for specific details regarding return shipping costs.

Guyker FB-07 CNC Aluminum 7-String Ferrule Block for Through-Body Guitars
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