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SKU:G-tuner-M-808 3R3L-GW
PRODUCT DESCRIPTION
Replace or upgrade compatible classical and acoustic guitar tuning machines with a 3R+3L plate-style tuner set designed for smooth 1:18 tuning control. The Guyker M-808 tuning pegs feature zinc alloy main bodies, copper gears, plastic buttons, and a 10mm peg hole requirement for compatible repair, replacement, and restoration projects.
Key Features
- Classical guitar tuner set: Designed for compatible classical and acoustic guitar headstocks that use a 3R+3L plate-style tuning machine layout.
- 1:18 gear ratio: Provides controlled tuning adjustment for setup, repair, and replacement work.
- Zinc alloy body with copper gears: Built with confirmed metal components for practical tuning machine replacement projects.
- Plastic tuning buttons: Available with different button and finish combinations depending on the selected variant.
- 10mm peg hole requirement: Please confirm your existing peg hole size, post height, plate spacing, and mounting screw position before ordering.
Technical Specifications
| SKU / Model | M-808 |
| Product Type | Classical Guitar Tuning Pegs |
| Suitable For | Compatible classical and acoustic guitar headstocks |
| Layout | 3R+3L / 2 planks |
| Locking Type | Non-locking |
| Gear Ratio | 1:18 |
| Peg Hole Requirement | 10mm |
| Weight | 74.2g per pc / 445.2g per set |
| String Post Overall Height | 14.5mm |
| String Post Diameter | 6mm |
| Max String Gauge | 1.8mm |
| String Thru Hole Center Height | 30.4mm |
| Housing / Main Body Material | Zinc alloy |
| Gear Material | Copper |
| Button Material | Plastic |
| Finish / Button Options | Black with Black Button, Gold with Black Button, Gold with White Button |
Compatibility Notes
Important: Please confirm your guitar’s peg hole diameter, post height, tuner plate spacing, headstock layout, and mounting screw position before ordering. Classical and acoustic guitar headstocks may vary by model, production year, factory, and region.
Package Includes
- 2 x Tuner planks / plate-style tuning machine assemblies
- 3R+3L layout for one compatible guitar headstock
- Matching fixing accessories as provided with the product
Installation Note
Before installation: Compare the 10mm peg hole requirement, post height, string thru hole center height, plate spacing, and screw positions with your original tuning machines. Professional installation is recommended if drilling or modification is required.
Size Reference
Important: Please keep the original product specification image / size reference at the bottom of this product description and compare all dimensions before ordering.

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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.

M-808 Classical Guitar Tuning Pegs 1:18 Ratio
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