Gotoh SG381-07 MGT Magnum Lock Tuners 4+3 – Black

The Gotoh SG381-07 MGT Magnum Lock Tuners are a premium upgrade for guitarists who demand rock-solid tuning stability and fast string changes. Featuring Gotoh’s traditional thumbwheel Magnum Lock system, these tuners deliver reliable performance with a classic feel.

Used as standard on many high-end Japanese guitars, including Ibanez Prestige models, the SG381 series is trusted by professional players worldwide.

Magnum Lock Thumbwheel System

Gotoh’s MGT (Magnum Lock Traditional) design provides secure string locking without complicated mechanisms.

• Traditional thumbwheel locking system
• Fast and easy string changes
• Improved tuning stability under heavy playing

Professional Tuning Performance

Built for precision and reliability, these tuners offer smooth and accurate tuning control.

• 16:1 gear ratio for precise tuning adjustments
• Smooth rotation and stable feel
• Ideal for studio and live performance

4+3 Configuration

This set is designed for guitars with a 4+3 headstock layout.

• Perfect for select electric guitars
• Balanced layout for optimal string alignment
• Professional-grade hardware upgrade

Premium Build and Finish

Finished in sleek black, these tuners provide both durability and a modern look.

• Pure black finish
• Gotoh '07' style buttons
• High-quality Japanese engineering

Easy Installation

Designed for straightforward installation on most compatible guitars.

• Requires 10mm (13/32") peg holes
• Fits headstock thickness up to 14mm
• Includes bushings, washers, and mounting screws

Specifications

• Model: SG381-07 MGT
• Configuration: 4+3
• Locking System: Magnum Lock Traditional (thumbwheel)
• Gear Ratio: 16:1
• Button Style: Gotoh 07
• Finish: Black
• Hole Size Required: 10mm (13/32")
• Max Headstock Thickness: 14mm

Why Upgrade to Locking Tuners?

Locking tuners improve tuning stability, reduce string slippage, and make restringing faster and easier — a must-have upgrade for serious players.

Expert Setup at Angkor Music

At Angkor Music Melbourne, we don’t just sell parts — we install and set them up properly.

We can fit these tuners, restring your guitar, and ensure everything is dialled in for perfect performance.

Frequently Asked Questions

What does 4+3 mean?
It refers to the tuner layout on the headstock — four tuners on one side and three on the other.

Do I need locking tuners?
If you want better tuning stability and faster string changes, locking tuners are a great upgrade.

Will these fit my guitar?
They require 10mm holes and fit headstocks up to 14mm thick. Check your guitar specs before installing.

Are these good for live performance?
Yes. Locking tuners are ideal for live use due to their stability and reliability.