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]