








Ready to Ship (US) | GK-135 3R/3L Vintage Style Guitar Tuning Pegs Machines
SKU:RTS-Guitar Tuner-GK-135N3R3L
- Color:
- Nickel
- Packaging:
- 3R+3L
PRODUCT DESCRIPTION
Upgrade your LP style guitar with GK-135 vintage style tuning machines designed for classic looks and smooth tuning adjustment. With a 1:14 gear ratio, 3R+3L layout, and 9.8 mm peg hole requirement, this tuner set is suitable for replacement, repair, and custom build projects where the headstock layout and measurements match.
Key Features
- Vintage style design: Keystone-style tuner buttons give compatible guitars a classic hardware appearance.
- Non-locking tuning machine set: A practical replacement option for guitars using a 3R+3L tuner layout.
- 1:14 gear ratio: Designed for quick and practical pitch adjustment during setup and everyday playing.
- Fitment reminder: Please check the 9.8 mm peg hole requirement, string post diameter, post height, and mounting screw position before ordering.
Technical Specifications
| SKU / Model | GK-135 |
| Current Variant SKU Reference | Guitar Tuner-GK-135C3R3L |
| Product Type | Non-Locking Vintage Style Guitar Tuning Machines |
| Suitable For | LP style and other compatible 3R+3L headstock guitars |
| Layout | 3R+3L |
| Gear Ratio | 1:14 |
| Peg Hole Requirement | 9.8 mm |
| Weight per pc / per set | 30 g / 180 g |
| String Post Overall Height | 27 mm |
| String Post Diameter | 6 mm |
| String Thru Hole Center Height | 23 mm |
| Bushing Type | Screw-in with dress washer |
| Finish Options | Chrome, Nickel |
| Material | Not provided |
Compatibility Notes
Important: Please confirm your guitar’s tuner layout, peg hole diameter, post height, string post diameter, and mounting screw position before installation. This product is listed with a 9.8 mm peg hole requirement. Guitar models may vary by production year, factory, and region, and minor modification may be required.
Package Includes
- 3R+3L option: 6 x guitar machine heads
- 6 x threaded bushings
- 6 x mounting screws
- 6 x ferrules
Installation Note
Before installation: Compare the tuner dimensions with your original tuning machines. Do not force-fit the tuner if the peg hole, bushing, or screw position does not match your guitar.
Size Reference
Important: Please refer to the size chart below and compare all dimensions with your original part 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.
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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