NVE Traditional 3+3 Locking Guitar Tuners – NVE-501D7SP

Direct Answer: The NVE-501D7SP is a set of six traditional 3+3 locking guitar tuners with a 1:18 gear ratio, designed for fast string changes and enhanced tuning stability on electric and acoustic guitars.

The NVE-501D7SP Locking Guitar Tuners are built for players who demand reliable tuning stability and quick string changes. Featuring an internal locking mechanism, these tuners clamp the string securely at the post, reducing slippage and improving tuning consistency during bends, vibrato use, and live performance.

With a smooth and accurate 1:18 gear ratio, these locking tuners allow precise tuning adjustments while maintaining solid performance under tension. Designed to fit modern 10mm headstock holes, the NVE-501D7SP set is compatible with a wide range of popular guitar styles.

The traditional 3+3 layout makes these tuners ideal for Les Paul, SG, and other classic headstock designs. A screw-in hex head bushing ensures a secure, vibration-resistant fit, while durable construction delivers long-term reliability for both electric and acoustic guitars.

Technical Specifications

• Configuration: Traditional 3 + 3 (Right-Handed Guitar)
• Tuner Type: Locking Machine Heads
• Gear Ratio: 1:18
• Peg Hole Requirement: 10mm
• Weight: 37g per tuner / 222g per set
• String Post Overall Height: 23mm
• String Post Diameter: 6mm
• Maximum String Gauge: 1.8mm
• String Thru Hole Centre Height: 28.5mm
• Bushing Type: Screw-in Hex Head

What’s Included

• 6 × Locking Guitar Machine Heads
• 6 × Threaded Hex Bushings
• 6 × Mounting Screws
• 6 × Ferrules

Compatibility

Designed for guitars with 10mm headstock holes, these locking tuners are compatible with many Les Paul, SG, LP-style, Tele-style, Strat-style, EPI-style, and similar electric or acoustic guitars using a 3+3 headstock layout.

Frequently Asked Questions

Are these locking tuners?

Yes. The NVE-501D7SP features an internal locking mechanism that clamps the string securely at the post.

Do locking tuners improve tuning stability?

Yes. Locking tuners reduce string slippage, helping maintain tuning stability during bends, tremolo use, and heavy playing.

Are these suitable for acoustic guitars?

Yes. These tuners work on both electric and acoustic guitars with 10mm headstock holes.

Will these fit Les Paul or SG-style guitars?

Yes. The traditional 3+3 layout is ideal for Les Paul, SG, and similar headstock designs.

Is installation hardware included?

Yes. The set includes threaded bushings, mounting screws, and ferrules for installation.