








Ready to Ship (US) |B05 Guyker Guitar Tuning Machine Buttons for 3R3L Tuners
SKU:RTS-button-B05
PRODUCT DESCRIPTION
Refresh or customize your 3R3L guitar tuners with a 6-piece set of replacement tuning machine buttons. These harp-style tuner buttons are designed for selected tuning machines and should be checked carefully against your original tuner shaft before ordering.
Key Features
- Harp-style tuner buttons: Designed for a clean replacement or custom upgrade look on compatible guitar tuning machines.
- 6-piece set: Suitable for 3R3L tuner layouts when the shaft size matches your existing tuning machines.
- Screws included: Comes with mounting screws for tuner button replacement projects.
- Fitment reminder: This is not a universal-fit part. Please measure your tuner shaft before ordering.
Technical Specifications
| SKU / Model | B05 |
| Product Type | Tuning Machine Buttons |
| Button Style | Harp |
| Suitable For | Selected 3R3L Guitar Tuners |
| Button Width | 23.20 mm |
| Button Height | 16.80 mm |
| Center Thickness | 7.70 mm |
| Shaft Hole Shape | Rounded Hole with Opposing Flat Sides |
| Shaft Hole Flat-to-Flat | 3.8 mm |
| Shaft Hole Round-to-Round | 4.3 mm |
| Maximum Tuner Shaft Size | 3.8 mm x 4.3 mm |
| Package Quantity | 6 PCS |
| Included Hardware | Mounting Screws Included |
Compatibility Notes
Important: Please confirm your guitar’s tuner shaft size, button hole shape, and screw fit before installation. This replacement button is not universal and may not fit every tuning machine model.
Fitment reference: These buttons may fit selected Hipshot, Grover, Fender, Gotoh, and Schaller tuning machines only when the tuner shaft dimensions match the listed measurements.
Package Includes
- Package quantity is 6 PCS per set.
- 6 x tuning machine buttons
- Mounting screws included
Installation Note
Before installation: Compare the shaft hole size, button width, button height, center thickness, and screw fit with your original tuner button to confirm compatibility.
Size Reference
Important: Please keep the original size chart or dimension image at the bottom of this product description. All listed dimensions must be checked against the original size reference before upload.
[Keep the original size chart / dimension image here]
Size picture

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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.

Ready to Ship (US) |B05 Guyker Guitar Tuning Machine Buttons for 3R3L Tuners
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