Stringjoy Universal String Action Gauge

Dial in your setup anywhere with the Stringjoy Universal String Action Gauge. 

Precision-etched and dead-accurate, this compact tool slips into your wallet and makes checking action fast and foolproof. Its high-contrast black finish keeps markings crystal clear in real-world lighting, while industry-leading techs’ recommended starting points are built right in—so you’re not guessing, you’re setting up with pro-level guidance. Quick check, quick tweak, back to playing. 

Why it Works:

• Wallet-Friendly, Road-Ready: Super-slim, durable aluminum with rounded corners that you can actually keep with you at all times.

• Dead-Accurate: Precision markings in inches and millimeters for confident, repeatable setups to lock in your preferred playing experience.

• Built for Clarity: High-contrast laser-etched markings on a jet-black finish make for clear visibility on any bench or stage.

• Pro Starting Points: Recommendations sourced from top techs in the industry for electric, acoustic, classical, and bass.