--- product_id: 225365162 title: "String Action Gauge Ruler, Guitar Height Gauge Set Up Tool for Electric Bass and Acoustic Guitar" price: "NT$439" currency: TWD in_stock: true reviews_count: 11 url: https://www.desertcart.tw/products/225365162-string-action-gauge-ruler-guitar-height-gauge-set-up-tool store_origin: TW region: Taiwan --- # Universal fit for electric, bass, acoustic & more Precision measurement down to 0.01in/0.25mm Durable stainless steel for long-lasting use String Action Gauge Ruler, Guitar Height Gauge Set Up Tool for Electric Bass and Acoustic Guitar **Price:** NT$439 **Availability:** ✅ In Stock ## Summary > 🎸 Tune Like a Pro, Measure Like a Boss! ## 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?** NT$439 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/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 - • **Compact Powerhouse:** Pocket-sized and lightweight (just 28g), take professional-grade precision wherever your music takes you. - • **All-In-One Versatility:** Perfectly compatible with electric guitars, basses, acoustics, mandolins, and banjos—one tool for every stringed instrument. - • **Instant Reference Conversion:** Integrated 12th fret string action conversion chart means no more guesswork—just quick, confident adjustments. - • **Pinpoint Accuracy Every Time:** Measure string height, saddle slot depth, and nut saddles with ultra-fine increments for flawless guitar setup. - • **Built to Last, Designed to Impress:** Crafted from premium stainless steel, this sleek tool resists wear and looks sharp in your toolkit. ## Overview The String Action Gauge Ruler is a stainless steel, pocket-sized precision tool designed for professional and hobbyist guitarists alike. It offers ultra-fine measurement scales for string height, saddle slot depth, and nut saddles, complete with a handy 12th fret string action conversion chart. Compatible with electric, bass, acoustic guitars, mandolins, and banjos, this durable and sleek gauge ensures your instrument setup is flawless, portable, and effortless. ## 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: 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. Review: Good purchase - Good tool for guitar maintenance. ## 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 | #6,059 in Musical Instruments ( See Top 100 in Musical Instruments ) #121 in Guitar Tools | | Customer Reviews | 4.5 out of 5 stars 1,050 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 ### ⭐⭐⭐⭐⭐ 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. ### ⭐⭐⭐⭐⭐ Good purchase *by J***S on April 13, 2026* Good tool for guitar maintenance. ### ⭐⭐⭐⭐⭐ Me gusta *by L***. on May 31, 2026* Práctico ## 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? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tw/products/225365162-string-action-gauge-ruler-guitar-height-gauge-set-up-tool](https://www.desertcart.tw/products/225365162-string-action-gauge-ruler-guitar-height-gauge-set-up-tool) --- *Product available on Desertcart Taiwan* *Store origin: TW* *Last updated: 2026-08-07*