---
product_id: 347712890
title: "Forever-Direct String Action Gauge Ruler, Guitar Set Up Tool Kit for Electric Bass and Acoustic Guitar"
brand: "fematin"
price: "A$25"
currency: AUD
in_stock: true
reviews_count: 5
url: https://www.desertcart.com.au/products/347712890-forever-direct-string-action-gauge-ruler-guitar-set-up-tool
store_origin: AU
region: Australia
---

# Precision scales down to 0.01in/0.25mm Multi-instrument compatibility Durable stainless steel build Forever-Direct String Action Gauge Ruler, Guitar Set Up Tool Kit for Electric Bass and Acoustic Guitar

**Brand:** fematin
**Price:** A$25
**Availability:** ✅ In Stock

## Summary

> 🎸 Tune Like a Pro, Measure Like a Boss!

## Quick Answers

- **What is this?** Forever-Direct String Action Gauge Ruler, Guitar Set Up Tool Kit for Electric Bass and Acoustic Guitar by fematin
- **How much does it cost?** A$25 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/347712890-forever-direct-string-action-gauge-ruler-guitar-set-up-tool)

## Best For

- fematin enthusiasts

## Why This Product

- Trusted fematin brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Crafted from sleek stainless steel for stability, durability, and a professional look that lasts gig after gig.
- • **Universal Fit:** Designed for electric guitars, basses, acoustics, mandolins, and banjos—one tool to rule them all.
- • **Compact & Portable:** Pocket-sized 3.5 x 2 inch ruler that fits effortlessly in your gig bag or toolbox.
- • **Precision Perfected:** Measure string height, saddle slot depth, and nut saddles with ultra-fine accuracy for flawless setup.
- • **Conversion Made Easy:** Built-in string action conversion chart at the 12th fret keeps your setup on point without guesswork.

## Overview

The Forever-Direct String Action Gauge Ruler is a precision stainless steel tool designed for professional and hobbyist guitarists alike. Measuring string height, saddle slot depth, and nut saddles with increments as fine as 0.01 inches, it supports multiple stringed instruments including electric guitars, basses, acoustics, mandolins, and banjos. Its compact size and built-in conversion chart make it an essential, portable companion for flawless instrument setup and maintenance.

## Description

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

## Features

- Made of stainless steel which is stable,durable,beautiful and widely used
- With scale 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
- Fit for electric guitar, Bass , acoustic guitar,mandolin,banjo,etc
- Convenient ,pocket-sized ruler which can take to everywhere you like

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Fematin |
| Manufacturer | Forever-Direct |
| Product Dimensions | 8.89 x 5.08 x 1.02 cm; 18 g |
| Batteries Included | No |
| Batteries Required | No |
| Material | Stainless Steel |
| Manufacturer | Forever-Direct |
| Country of Origin | USA |
| Item Weight | 18 g |

## Images

![Forever-Direct String Action Gauge Ruler, Guitar Set Up Tool Kit for Electric Bass and Acoustic Guitar - Image 1](https://m.media-amazon.com/images/I/616yyNR6fML.jpg)
![Forever-Direct String Action Gauge Ruler, Guitar Set Up Tool Kit for Electric Bass and Acoustic Guitar - Image 2](https://m.media-amazon.com/images/I/61gZO21bORL.jpg)
![Forever-Direct String Action Gauge Ruler, Guitar Set Up Tool Kit for Electric Bass and Acoustic Guitar - Image 3](https://m.media-amazon.com/images/I/5193mZa93WL.jpg)
![Forever-Direct String Action Gauge Ruler, Guitar Set Up Tool Kit for Electric Bass and Acoustic Guitar - Image 4](https://m.media-amazon.com/images/I/71iCQC2vCbL.jpg)
![Forever-Direct String Action Gauge Ruler, Guitar Set Up Tool Kit for Electric Bass and Acoustic Guitar - Image 5](https://m.media-amazon.com/images/I/51PaYKT-Q9L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 







  
  
    Good product and value
  

*by T***. on Reviewed in the United States on 20 July 2024*

It works well and doesn’t job.  It is easy to use and seems to show accurate measurements.  I would recommend.

### ⭐⭐⭐⭐⭐ 







  
    Buena herramienta
  
  

*by E***A on Reviewed in Mexico on 5 February 2023*

Excelente herramienta para guitarrasLas letras y números no se borran con el tiempo eso es muy importante

### ⭐⭐⭐⭐⭐ 







  
  
    it’s as expected
  

*by F***N on Reviewed in Canada on 22 January 2021*

it is what it is

## Frequently Bought Together

- String Action Gauge Ruler, Guitar Height Gauge Set Up Tool for Electric Bass and Acoustic Guitar
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- Guitar Neck Rest, Guitar Neck Cradle Support Pillow String Instrument Luthier Tool for Guitar Workstation, Ukuleles, Violins, Banjos, Mandolins

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**Shop now:** [https://www.desertcart.com.au/products/347712890-forever-direct-string-action-gauge-ruler-guitar-set-up-tool](https://www.desertcart.com.au/products/347712890-forever-direct-string-action-gauge-ruler-guitar-set-up-tool)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-07*