![Amazon.com: String Action Ruler Gauge Tool for Electric Bass and Acoustic Guitar : Musical Instruments Amazon.com: String Action Ruler Gauge Tool for Electric Bass and Acoustic Guitar : Musical Instruments](https://m.media-amazon.com/images/I/71n5dRHkaCL.jpg)
Amazon.com: String Action Ruler Gauge Tool for Electric Bass and Acoustic Guitar : Musical Instruments
![Amazon.com: String Action Ruler Gauge Tool for Electric Bass and Acoustic Guitar : Musical Instruments Amazon.com: String Action Ruler Gauge Tool for Electric Bass and Acoustic Guitar : Musical Instruments](https://m.media-amazon.com/images/I/619PhDoNPZL.jpg)
Amazon.com: String Action Ruler Gauge Tool for Electric Bass and Acoustic Guitar : Musical Instruments
![Amazon.com: StewMac String Action Gauge And Ruler, Inches, Stainless Steel - Designed by StewMac, The Original measuring tool for acoustic and electric guitar, and bass setup : Musical Instruments Amazon.com: StewMac String Action Gauge And Ruler, Inches, Stainless Steel - Designed by StewMac, The Original measuring tool for acoustic and electric guitar, and bass setup : Musical Instruments](https://m.media-amazon.com/images/I/91SGHEJBLXL._SY350_PKmb-play-button-overlay_.jpg)
Amazon.com: StewMac String Action Gauge And Ruler, Inches, Stainless Steel - Designed by StewMac, The Original measuring tool for acoustic and electric guitar, and bass setup : Musical Instruments
![Amazon.com: Simtyso Guitar String Action Ruler Gauge Tool Measuring Kit for Electric Bass and Acoustic Guitar : Musical Instruments Amazon.com: Simtyso Guitar String Action Ruler Gauge Tool Measuring Kit for Electric Bass and Acoustic Guitar : Musical Instruments](https://m.media-amazon.com/images/I/71C6997e0OL.jpg)
Amazon.com: Simtyso Guitar String Action Ruler Gauge Tool Measuring Kit for Electric Bass and Acoustic Guitar : Musical Instruments
![Amazon.com: Alaaner 2Pcs String Action Gauge Ruler Measuring Tools for Guitar Bass Instrument Accessories : Musical Instruments Amazon.com: Alaaner 2Pcs String Action Gauge Ruler Measuring Tools for Guitar Bass Instrument Accessories : Musical Instruments](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/61xffZ1D5XL._AC_UF350,350_QL80_.jpg)
Amazon.com: Alaaner 2Pcs String Action Gauge Ruler Measuring Tools for Guitar Bass Instrument Accessories : Musical Instruments
![Amazon.com: String Action Gauge Ruler, Guitar Height Gauge Set Up Tool for Electric Bass and Acoustic Guitar : Musical Instruments Amazon.com: String Action Gauge Ruler, Guitar Height Gauge Set Up Tool for Electric Bass and Acoustic Guitar : Musical Instruments](https://m.media-amazon.com/images/I/616yyNR6fML.jpg)
Amazon.com: String Action Gauge Ruler, Guitar Height Gauge Set Up Tool for Electric Bass and Acoustic Guitar : Musical Instruments
![Amazon.com: String Action Gauge Ruler, Guitar Height Gauge Set Up Tool for Electric Bass and Acoustic Guitar : Musical Instruments Amazon.com: String Action Gauge Ruler, Guitar Height Gauge Set Up Tool for Electric Bass and Acoustic Guitar : Musical Instruments](https://m.media-amazon.com/images/I/61gZO21bORL.jpg)
Amazon.com: String Action Gauge Ruler, Guitar Height Gauge Set Up Tool for Electric Bass and Acoustic Guitar : Musical Instruments
![Amazon.com: Guitar String Action Gauge Ruler, 2Pcs Double Sided Guitar Fingerboard Fretboard Measuring Tool with Clean Print for Guitar Bass : Musical Instruments Amazon.com: Guitar String Action Gauge Ruler, 2Pcs Double Sided Guitar Fingerboard Fretboard Measuring Tool with Clean Print for Guitar Bass : Musical Instruments](https://m.media-amazon.com/images/I/71slyNQE02L._AC_UF350,350_QL80_.jpg)
Amazon.com: Guitar String Action Gauge Ruler, 2Pcs Double Sided Guitar Fingerboard Fretboard Measuring Tool with Clean Print for Guitar Bass : Musical Instruments
![Amazon.com: Alaaner 2Pcs String Action Gauge Ruler Measuring Tools for Guitar Bass Instrument Accessories : Musical Instruments Amazon.com: Alaaner 2Pcs String Action Gauge Ruler Measuring Tools for Guitar Bass Instrument Accessories : Musical Instruments](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/51Pu+52LGbS._AC_UF894,1000_QL80_.jpg)
Amazon.com: Alaaner 2Pcs String Action Gauge Ruler Measuring Tools for Guitar Bass Instrument Accessories : Musical Instruments
![Amazon.com: VICASKY 2pcs String Classical Guitar Acoustic Guitar Action Gauge Guitar Learning Tools Guitar Tools Electric Guitar Action Gauge Guitar Action Gauge Kit Plastic Ruler Bass : Musical Instruments Amazon.com: VICASKY 2pcs String Classical Guitar Acoustic Guitar Action Gauge Guitar Learning Tools Guitar Tools Electric Guitar Action Gauge Guitar Action Gauge Kit Plastic Ruler Bass : Musical Instruments](https://m.media-amazon.com/images/I/61LlCyNri6L.jpg)
Amazon.com: VICASKY 2pcs String Classical Guitar Acoustic Guitar Action Gauge Guitar Learning Tools Guitar Tools Electric Guitar Action Gauge Guitar Action Gauge Kit Plastic Ruler Bass : Musical Instruments
![Amazon.com: String Action Ruler Gauge Tool for Electric Bass and Acoustic Guitar : Musical Instruments Amazon.com: String Action Ruler Gauge Tool for Electric Bass and Acoustic Guitar : Musical Instruments](https://m.media-amazon.com/images/I/61oBYiObWnL._AC_UF350,350_QL80_.jpg)
Amazon.com: String Action Ruler Gauge Tool for Electric Bass and Acoustic Guitar : Musical Instruments
![Amazon.com - Huhudde String Action Ruler Gauge Stainless Steel Guitar String Measuring Tool Height Gauge Guitar Set Up Repairing Tool String Action Gauge Ruler Amazon.com - Huhudde String Action Ruler Gauge Stainless Steel Guitar String Measuring Tool Height Gauge Guitar Set Up Repairing Tool String Action Gauge Ruler](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/615l8D6oduL._AC_UF894,1000_QL80_.jpg)
Amazon.com - Huhudde String Action Ruler Gauge Stainless Steel Guitar String Measuring Tool Height Gauge Guitar Set Up Repairing Tool String Action Gauge Ruler
![Amazon.com: Guitar String Action Gauge, COENGWO String Height Gauge Ruler Guitar Setup Measuring Tool Kit for Guitar, Bass, Mandolin, Banjo : Musical Instruments Amazon.com: Guitar String Action Gauge, COENGWO String Height Gauge Ruler Guitar Setup Measuring Tool Kit for Guitar, Bass, Mandolin, Banjo : Musical Instruments](https://m.media-amazon.com/images/S/aplus-media-library-service-media/61af1e4d-af55-43c5-a38a-dc446a4e3004.__CR0,0,970,300_PT0_SX970_V1___.jpg)
Amazon.com: Guitar String Action Gauge, COENGWO String Height Gauge Ruler Guitar Setup Measuring Tool Kit for Guitar, Bass, Mandolin, Banjo : Musical Instruments
![Amazon.com: Vencetmat Guitar String Action Gauge, String Height Ruler, Guitar Fret Rocker, Fret Leveling Guide, Buzzing Fret Catcher, 1mm Thickness, Laser Etching, High Precision Graduations,Luthier Tools : Musical Instruments Amazon.com: Vencetmat Guitar String Action Gauge, String Height Ruler, Guitar Fret Rocker, Fret Leveling Guide, Buzzing Fret Catcher, 1mm Thickness, Laser Etching, High Precision Graduations,Luthier Tools : Musical Instruments](https://m.media-amazon.com/images/I/61F2VWfMzpL.jpg)
Amazon.com: Vencetmat Guitar String Action Gauge, String Height Ruler, Guitar Fret Rocker, Fret Leveling Guide, Buzzing Fret Catcher, 1mm Thickness, Laser Etching, High Precision Graduations,Luthier Tools : Musical Instruments
![Amazon.com: StewMac String Action Gauge And Ruler, Inches, Stainless Steel - Designed by StewMac, The Original measuring tool for acoustic and electric guitar, and bass setup : Musical Instruments Amazon.com: StewMac String Action Gauge And Ruler, Inches, Stainless Steel - Designed by StewMac, The Original measuring tool for acoustic and electric guitar, and bass setup : Musical Instruments](https://m.media-amazon.com/images/I/41L8oCDFbYL._AC_.jpg)
Amazon.com: StewMac String Action Gauge And Ruler, Inches, Stainless Steel - Designed by StewMac, The Original measuring tool for acoustic and electric guitar, and bass setup : Musical Instruments
![Amazon.com: String Action Ruler Gauge Tool for Electric Bass and Acoustic Guitar : Musical Instruments Amazon.com: String Action Ruler Gauge Tool for Electric Bass and Acoustic Guitar : Musical Instruments](https://m.media-amazon.com/images/I/51xh-QeoiQL.jpg)
Amazon.com: String Action Ruler Gauge Tool for Electric Bass and Acoustic Guitar : Musical Instruments
![Amazon.com: String Action Gauge Ruler, Guitar Height Gauge Set Up Tool for Electric Bass and Acoustic Guitar : Musical Instruments Amazon.com: String Action Gauge Ruler, Guitar Height Gauge Set Up Tool for Electric Bass and Acoustic Guitar : Musical Instruments](https://m.media-amazon.com/images/I/71iCQC2vCbL._AC_UF350,350_QL80_.jpg)
Amazon.com: String Action Gauge Ruler, Guitar Height Gauge Set Up Tool for Electric Bass and Acoustic Guitar : Musical Instruments
![Amazon.com: Guitar String Action Gauge Ruler and Feeler Gauge Set with Fingerboard Fret Protectors - Accurate Measurement Tools for Guitar Setup : Musical Instruments Amazon.com: Guitar String Action Gauge Ruler and Feeler Gauge Set with Fingerboard Fret Protectors - Accurate Measurement Tools for Guitar Setup : Musical Instruments](https://m.media-amazon.com/images/I/616m8MqlPRL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Guitar String Action Gauge Ruler and Feeler Gauge Set with Fingerboard Fret Protectors - Accurate Measurement Tools for Guitar Setup : Musical Instruments
![Guitar String Action Gauge Ruler, 2Pcs Double Sided Guitar Fingerboard Fretboard Measuring Tool with Clean Print for Guitar Bass : Musical Instruments - Amazon.com Guitar String Action Gauge Ruler, 2Pcs Double Sided Guitar Fingerboard Fretboard Measuring Tool with Clean Print for Guitar Bass : Musical Instruments - Amazon.com](https://m.media-amazon.com/images/I/61Cm7JcIjlL._AC_UF1000,1000_QL80_.jpg)
Guitar String Action Gauge Ruler, 2Pcs Double Sided Guitar Fingerboard Fretboard Measuring Tool with Clean Print for Guitar Bass : Musical Instruments - Amazon.com
![Amazon.com: Baroque String Action Gauge Precise Guitar Ruler Set Up Tool Kit for Electric Bass and Acoustic Guitar : Musical Instruments Amazon.com: Baroque String Action Gauge Precise Guitar Ruler Set Up Tool Kit for Electric Bass and Acoustic Guitar : Musical Instruments](https://m.media-amazon.com/images/I/510O4VObp7L._AC_.jpg)
Amazon.com: Baroque String Action Gauge Precise Guitar Ruler Set Up Tool Kit for Electric Bass and Acoustic Guitar : Musical Instruments
![Amazon.com: String Action Ruler Gauge Tool for Electric Bass and Acoustic Guitar : Musical Instruments Amazon.com: String Action Ruler Gauge Tool for Electric Bass and Acoustic Guitar : Musical Instruments](https://m.media-amazon.com/images/I/619PhDoNPZL._AC_UF350,350_QL80_.jpg)
Amazon.com: String Action Ruler Gauge Tool for Electric Bass and Acoustic Guitar : Musical Instruments
![Amazon.com: Alnicov Stainless Steel String Action Ruler Guitar Setup Gauge Luthier Measuring Tool with User Guide for Electric, Acoustic Bass Guitars : Musical Instruments Amazon.com: Alnicov Stainless Steel String Action Ruler Guitar Setup Gauge Luthier Measuring Tool with User Guide for Electric, Acoustic Bass Guitars : Musical Instruments](https://m.media-amazon.com/images/I/617t+EacPuL._AC_UF350,350_QL80_.jpg)
Amazon.com: Alnicov Stainless Steel String Action Ruler Guitar Setup Gauge Luthier Measuring Tool with User Guide for Electric, Acoustic Bass Guitars : Musical Instruments
![Amazon.com: String Action Ruler Gauge Tool for Electric Bass and Acoustic Guitar : Musical Instruments Amazon.com: String Action Ruler Gauge Tool for Electric Bass and Acoustic Guitar : Musical Instruments](https://m.media-amazon.com/images/I/610lqejCl8L.jpg)
Amazon.com: String Action Ruler Gauge Tool for Electric Bass and Acoustic Guitar : Musical Instruments
![Amazon.com: Guitar String Action Gauge, COENGWO String Height Gauge Ruler Guitar Setup Measuring Tool Kit for Guitar, Bass, Mandolin, Banjo : Musical Instruments Amazon.com: Guitar String Action Gauge, COENGWO String Height Gauge Ruler Guitar Setup Measuring Tool Kit for Guitar, Bass, Mandolin, Banjo : Musical Instruments](https://m.media-amazon.com/images/I/71YnZJlfjcL._AC_UF894,1000_QL80_.jpg)