
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 And Ruler, Inches, Stainless Steel - Designed by StewMac, The Original measuring tool for acoustic and electric guitar, and bass setup
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 SetupDesigned 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.
Product 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 readingsfaster 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
Original: $135.46
-65%$135.46
$47.41More Images






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 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 SetupDesigned 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.
Product 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 readingsfaster 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
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
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 SetupDesigned 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.
Product 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 readingsfaster 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




















