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SKU:502A-SP-RD
PRODUCT DESCRIPTION
Upgrade your electric guitar with CNC-machined locking tuners built for precise tuning control and fast string changes. The Guyker 502A-SP features a 1:22 gear ratio, 3R+3L layout, and lightweight aerospace aluminum alloy construction for replacement, upgrade, and custom build projects.
Key Features
- CNC-machined construction: Made with aerospace aluminum alloy for a precise, lightweight, and modern tuner design.
- Locking tuner design: Helps secure the string more efficiently for quicker string changes and improved tuning stability.
- 1:22 gear ratio: Provides fine tuning adjustment for accurate pitch control.
- 3R+3L layout: Designed for electric guitars with three right-side and three left-side tuning machines.
- Fitment reminder: Please confirm your guitar’s peg hole diameter, string post size, and mounting screw position before ordering.
Technical Specifications
| SKU / Model | 502A-SP |
| Product Type | Locking Guitar Tuning Machines |
| Tuner Type | Locking |
| Suitable For | Electric guitar |
| Layout | 3R+3L |
| Gear Ratio | 1:22 |
| Material | Aerospace aluminum alloy housing, brass gears |
| Manufacturing Process | CNC-machined |
| Color / Finish Options | Chrome, Black, Gold, Green, Red |
| Peg Hole Diameter | 9.9 mm |
| String Post Diameter | 6 mm |
| Mounting Screw Hole Diameter | 2.6 mm |
| Overall Length | 42 mm |
| Package Includes | 1 set of 3R+3L locking guitar tuners with threaded bushings and mounting screws |
Compatibility Notes
Important: Please confirm your guitar’s peg hole diameter, post height, and mounting screw position before installation. Guitar models may vary by production year, factory, and region.
Package Includes
- Package includes one complete 3R+3L tuner set.
- 3 x right-side locking guitar tuning machines
- 3 x left-side locking guitar tuning machines
- Matching threaded bushings
- Matching mounting screws
Installation Note
Before installation: Compare the product dimensions with your original tuning machines to confirm compatibility. Minor modification may be required depending on the guitar model, production year, or existing hardware.
Size Reference
Important: Please keep the original size chart at the bottom of this product description. All listed dimensions must be checked against the original size chart before upload.
[Keep the original size chart / dimension image here]
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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 502A-SP CNC Machined Locking Guitar Tuners 3R3L 1:22
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