StewMac String Action Gauge And Ruler, Inches, Stainless Steel – Designed by StewMac, The Original measuring tool for acoustic and electric guitar, and bass setup

StewMac String Action Gauge, Imperial – The Original Swiss Army Ruler for Guitar Setup Designed and developed by StewMac, the String Action Gauge is the original precision tool for guitar setups. This pocket-sized stainless steel ruler is like a “Swiss Army Ruler” for guitar adjustments, providing fast, accurate measurements that make professional setups easier than ever. Trusted by luthiers and guitar techs worldwide, this is the same high-quality gauge used in top repair shops. Accurate & Easy-to-Read Measurements: String Height: Quickly determine the exact action at any fret. Bridge Saddle & Slot Depth: Ensure precise saddle adjustments for optimal tone and intonation. Nut Height: Dial in the perfect nut slot depth for smooth playability. Fret Slot Depth: Ideal for measuring slots on unbound fingerboards. Pickup Polepiece Height: Set your pickups at the right distance for balanced output. Why This Gauge is a Must-Have for Luthiers & DIY Players: StewMac Original Design: Developed in-house by renowned luthiers Dan Erlewine and Don MacRostie–often imitated, but never duplicated. Progressive String Height Scale: Simply slide it across the frets and read the measurement under the string–faster and easier than a standard ruler. Durable Stainless Steel: Precision-etched markings ensure long-lasting accuracy. Pocket-Sized Convenience: Compact and easy to carry for setups anywhere. Inch & Metric Versions: Available with measurements from .010″ to .140″ (inch model) or 0.25mm to 3.50mm (metric version). Bonus Conversion Chart: The back of the gauge features a fractional/decimal/metric conversion chart for quick reference. Pro Tip: Use this gauge for setting router depth–it sits securely on the router base for precise adjustments. Whether you’re setting up a new guitar or fine-tuning an old favorite, the StewMac String Action Gauge provides the accuracy and ease you need to achieve perfect playability. Built to Last a Lifetime – All StewMac tools are backed by our Lifetime Promise.

Features

• BUILT TO LAST A LIFETIME: All StewMac tools are backed by our Lifetime Promise for professional-grade durability
• FAST & ACCURATE MEASUREMENTS: Precisely measure string height, nut slots, saddle depth, and pickup polepiece height for perfect guitar setup
• PROGRESSIVE STRING HEIGHT SCALE: Simply slide across the frets for quick and easy action readings–faster than a standard ruler
• MULTI-PURPOSE TOOL: Can also be used for setting router depth, providing more accuracy than a standard shop ruler
• STAINLESS STEEL PRECISION: Durable, long-lasting tool with precision-etched markings for clear and reliable measurements
• BONUS CONVERSION CHART: Includes a fractional/decimal/metric reference chart on the back for quick calculations