Finding the right string height gauge and setup tools helps guitarists replicate the smooth action favored by jazz legend George Benson. This guide reviews five top-rated gauges and related setup tools that help dial in neck relief, string height, and intonation with precision. Each product is evaluated by build quality, measurement range, and usability for electric, acoustic, and bass guitars.
| Product | Brand | Key Benefit |
|---|---|---|
| Thomastik-Infeld GB114 Jazz Guitar Strings | Thomastik-Infeld | Signature George Benson set with pure nickel flatwounds for classic jazz tone |
| D’Addario Accessories String Height Gauge | D’Addario | US/metric sizes with stainless steel, precise setup reference |
| StewMac String Action Gauge And Ruler | StewMac | Original, durable design for comprehensive guitar setup measurements |
| Guitar Action Gauge Ruler – Junlego | Junlego | Versatile, precise action measurement for various guitars |
| MusicNomad Precision String Action Gauge | MusicNomad | Easy-to-read readings with metric and 64ths for exact action |
Note: The list prioritizes gauges and setup tools that help achieve George Benson–inspired action and intonation, suitable for both professionals and hobbyists in the United States.
Thomastik-Infeld GB114 Jazz Guitar Strings

These two-tone nickels flatwound strings are the signature set associated with George Benson’s jazz tone. The brass-plated treble strings and heavy nickel flatwound bass strings produce a mellow, articulate voice ideal for jazz chords and melodic lines. This set supports a classic, low-to-mid action feel when paired with a precise gauge setup using compatible string height tools.
D’Addario Accessories String Height Gauge

Featuring both US and metric measurements on a durable stainless steel ruler, this gauge provides precise action readings to help set up electric, acoustic, and bass guitars. Its accuracy supports repeatable setups and consistent playability across sessions, aligning with professional standards.
StewMac String Action Gauge And Ruler

StewMac’s stainless steel action gauge offers a lifetime-backed tool with a progressive string height scale. It allows quick readings across frets, including saddle height and nut-related adjustments, enabling efficient setups for electric, acoustic, and bass guitars with high precision, mirroring professional workshop standards.
Guitar Action Gauge Ruler – Junlego

This upgraded guitar action gauge provides quick, precise measurements with inch, metric, and 64ths scales. Its compatibility across electric, acoustic, and bass guitars, plus a durable construction, makes it a practical choice for both beginners and seasoned technicians seeking consistent action results.
String Action Gauge Ruler – MSUhettu (Silver Edition)

MSUhettu’s silver edition offers precise measurements with inch and metric scales, designed for electric, acoustic, and bass guitars. The built-in action reference and rust-resistant stainless steel ensure durability, with smooth edges to protect strings and frets during setup.
String Action Gauge – MSUhettu Print Silver Edition

This MSUhettu edition emphasizes ease of reading with clearly marked scales—inch, millimeter, 64ths, and 32nds—along with a durable stainless steel body. It provides a reliable setup tool for players seeking precise neck relief and string height across instrument types.
Buying Guide: Key Purchase Considerations
When selecting a string gauge or action tool for George Benson–style playability, consider these factors:
- Measurement range and unit options: Look for inch, metric, and 64ths/32nds scales for flexible setups across guitars.
- Material and durability: Stainless steel rulers resist wear and rust, ensuring long-term accuracy in workshops or home studios.
- Back-reference or action chart: Some gauges include printed reference charts for common instruments, speeding up setup decisions.
- Compatibility: Choose gauges that work with electric, acoustic, and bass guitars if you own multiple instruments.
- Readability: High-contrast markings and laser-etched numbers reduce misreads during critical adjustments.
- Brand credibility and support: Reputable brands often provide comprehensive guides, replacement parts, and customer service.
For players pursuing precise tone and playability reminiscent of George Benson, a combination of a high-quality gauge and properly selected strings is essential. Pair a reliable action gauge with strings suited to your genre—jazz players may favor nickel flatwounds for Benson-like warmth, while others may opt for modern nickel or phosphor bronze sets depending on guitar type and playing style.