--- product_id: 225365162 title: "String Action Gauge Ruler, Guitar Height Gauge Set Up Tool for Electric Bass and Acoustic Guitar" price: "Β£6.39" currency: GBP in_stock: true reviews_count: 11 url: https://www.desertcart.co.uk/products/225365162-string-action-gauge-ruler-guitar-height-gauge-set-up-tool store_origin: GB region: United Kingdom --- # Multi-instrument Pocket-sized Stainless Steel String Action Gauge Ruler, Guitar Height Gauge Set Up Tool for Electric Bass and Acoustic Guitar **Price:** Β£6.39 **Availability:** βœ… In Stock ## Summary > 🎢 Tune into perfection with every strum! ## Quick Answers - **What is this?** String Action Gauge Ruler, Guitar Height Gauge Set Up Tool for Electric Bass and Acoustic Guitar - **How much does it cost?** Β£6.39 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/225365162-string-action-gauge-ruler-guitar-height-gauge-set-up-tool) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Durable Design:** Crafted from stainless steel for long-lasting use. - β€’ **User-Friendly Chart:** Conversion chart for quick reference at your fingertips. - β€’ **Portable Convenience:** Compact size makes it your go-to tool anywhere. - β€’ **Precision Measurement:** Achieve perfect string height with ease. - β€’ **Versatile Compatibility:** Works with electric, acoustic, bass guitars, and more. ## Overview The String Action Gauge Ruler is a professional-grade tool designed for guitarists and luthiers alike. Made from durable stainless steel, this pocket-sized ruler allows for precise measurements of string height, saddle depth, and nut slots across various string instruments, including electric guitars, basses, and mandolins. It features a handy conversion chart printed on one side for quick reference, making it an essential tool for achieving optimal setup and performance. ## Description Setting up your guitar and make it sound more beautiful. HOW TO USE? 1.Tune your guitar. This ensures the right tension is applied to the neck. 2.Make sure your neck is straight and adjust your truss rod needed. 3.Rest the ruler or string action gauge tool on the 12th fret. 4.Read the ruler from the bottom of the string. 5.Repeat this for any other string on your guitar you need to measure. Features: 1.Fit for electric guitar, Bass , acoustic guitar,mandolin,banjo,etc. 2.With conversion chart of string action at 12th fret printed on one side. 3.With scale for string height, for ridge saddle slot depth and for nuts saddles and pole pieces. 4.Made of stainless steel which is stable,durable,beautiful and widely used. 5.From inch fractions, to inch decimals, to metric in increments. Specifications: Material: Stainless Steel Color: sliver Application: electric guitar, bass , acoustic guitar etc. Unit: mm/ in Scale for string height: 0.01-0.14in / 0.25-3.50mm Scale for bridge saddle slot depth: 0-0.875in / 0-20mm Scale for nuts saddles and polepieces: 0-0.75in / 0-20mm Ruler size: 8.9 * 5.1cm / 3.5 * 2in (length * width) Ruler weight: 28g / 0.99oz Package including: 1 x String action ruler 1 x Instruction paper card. TIPS: Properly setting up your truss rod is crucial to get right before you adjust your guitar’s action. Review: Good purchase - Good tool for guitar maintenance. Review: A great addition to any guitarist arsenal - Nice and shockingly durable. It did exactly as advertised. and I was able to set up and tune my guitar with ease especially because the printing on it made reading the measurements a piece of cake. Its got a decent weight to it considering it's size which is actually a very good thing. ## Features - guitar measurement tool which made of stainless steel which is stable,durable,beautiful and widely used - Guitar set up gauge fit for string height, for ridge saddle slot depth and for nuts saddles and pole pieces - With conversion chart of string action at 12th fret printed on one side - Guitar ruler fit for electric guitar, Bass , acoustic guitar,mandolin,banjo,etc - Handy Luthier Tool-Convenient ,pocket-sized ruler which can take to everywhere you like.Package including: 1 x String action gauge, 1 x Instruction ## Technical Specifications | Specification | Value | |---------------|-------| | Best Sellers Rank | #5,692 in Musical Instruments ( See Top 100 in Musical Instruments ) #105 in Guitar Tools | | Customer Reviews | 4.5 out of 5 stars 1,046 Reviews | ## Images ![String Action Gauge Ruler, Guitar Height Gauge Set Up Tool for Electric Bass and Acoustic Guitar - Image 1](https://m.media-amazon.com/images/I/616yyNR6fML.jpg) ![String Action Gauge Ruler, Guitar Height Gauge Set Up Tool for Electric Bass and Acoustic Guitar - Image 2](https://m.media-amazon.com/images/I/61gZO21bORL.jpg) ![String Action Gauge Ruler, Guitar Height Gauge Set Up Tool for Electric Bass and Acoustic Guitar - Image 3](https://m.media-amazon.com/images/I/5193mZa93WL.jpg) ![String Action Gauge Ruler, Guitar Height Gauge Set Up Tool for Electric Bass and Acoustic Guitar - Image 4](https://m.media-amazon.com/images/I/71iCQC2vCbL.jpg) ![String Action Gauge Ruler, Guitar Height Gauge Set Up Tool for Electric Bass and Acoustic Guitar - Image 5](https://m.media-amazon.com/images/I/51PaYKT-Q9L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good purchase *by J***S on April 13, 2026* Good tool for guitar maintenance. ### ⭐⭐⭐⭐⭐ A great addition to any guitarist arsenal *by J***E on January 29, 2026* Nice and shockingly durable. It did exactly as advertised. and I was able to set up and tune my guitar with ease especially because the printing on it made reading the measurements a piece of cake. Its got a decent weight to it considering it's size which is actually a very good thing. ### ⭐⭐⭐⭐ Very useful tool *by M***L on November 17, 2023* I'm super pleased with the setup I was able to get with this tool and that the string height settings are based on string gauge. The setup I was able to get is an absolute dream. I gave this only 4 stars because the printing on part of the tool is just a mess. ## Frequently Bought Together - String Action Gauge Ruler, Guitar Height Gauge Set Up Tool for Electric Bass and Acoustic Guitar - D'Addario Accessories Pro-Winder Guitar String Winder, Cutter, Bridge Pin Puller - All in One Guitar Tool - Black - Guitar Neck Rest, Guitar Neck Cradle Support Pillow String Instrument Luthier Tool for Guitar Workstation, Ukuleles, Violins, Banjos, Mandolins --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/225365162-string-action-gauge-ruler-guitar-height-gauge-set-up-tool](https://www.desertcart.co.uk/products/225365162-string-action-gauge-ruler-guitar-height-gauge-set-up-tool) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-06-03*