---
product_id: 30908020
title: "Understring Radius Gauges, Set of 9, Standard Width for Guitar Setup, for 6-String Guitars and Most 4-String Basses"
brand: "stewmac"
price: "₨35965"
currency: LKR
in_stock: true
url: https://www.desertcart.lk/products/30908020-understring-radius-gauges-set-of-9-standard-width-for-guitar
store_origin: LK
region: Sri Lanka
---

# 9 gauge sizes Durable steel Fast adjustments Understring Radius Gauges, Set of 9, Standard Width for Guitar Setup, for 6-String Guitars and Most 4-String Basses

**Brand:** stewmac
**Price:** ₨35965
**Availability:** ✅ In Stock

## Summary

> 🎸 Tune In to Perfection!

## Quick Answers

- **What is this?** Understring Radius Gauges, Set of 9, Standard Width for Guitar Setup, for 6-String Guitars and Most 4-String Basses by stewmac
- **How much does it cost?** ₨35965 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/30908020-understring-radius-gauges-set-of-9-standard-width-for-guitar)

## Best For

- stewmac enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Crafted from durable steel for long-lasting performance.
- • **Comprehensive Set:** Includes 9 gauges for all your setup needs: 7-1/4" to 20" radii.
- • **Versatile Compatibility:** Perfectly spans string spreads up to 2-5/8" for various guitar types.
- • **Precision at Your Fingertips:** Achieve fast, accurate bridge saddle adjustments with ease.
- • **Slim Design for Tight Spaces:** Low profile allows for easy reading of fretboard radius, even with strings on.

## Overview

The StewMac Understring Radius Gauge Tool Set includes 9 precision gauges designed for fast and accurate bridge saddle adjustments. With a low-profile design, these tools fit snugly in tight spots, allowing you to read the fretboard radius even with strings in place. The set covers a range of radii from 7-1/4" to 20" and is made from durable steel, making it ideal for various stringed instruments including 4-string, 5-string, 6-string, 7-string, and 8-string guitars.

## Description

StewMacUnderstring Radius Gauges, Set of 9, Standard Width for Guitar Setup, for 6-String Guitars and Most 4-String Basses

## Features

- Fast, accurate bridge saddle adjustment
- Low profile fits tight spots: the slim shape of our understring gauges allow you to read the fretboard radius even with the strings on
- Set of 9 gauges includes: 7-1/4", 9-1/2", 10", 12", 14", 15", 16", 17" and 20" radii
- Spans string spreads up to 2-5/8" (66.68mm), ideal for 4-string, 5-string, and many 6-string basses; they'll also handle 7-string and 8-string guitars
- Made of durable steel

## Images

![Understring Radius Gauges, Set of 9, Standard Width for Guitar Setup, for 6-String Guitars and Most 4-String Basses - Image 1](https://m.media-amazon.com/images/I/61hKgGiJsoL.jpg)

## Frequently Bought Together

- StewMac Understring Radius Gauge Tool, Set of 9, Standard Width for Guitar Setup
- StewMac String Action Gauge And Ruler, Metric, Stainless Steel - Designed by StewMac, The Original measuring tool for acoustic and electric guitar, and bass setup
- StewMac Fret Rocker - The Original Stainless Steel 4-in-1 Mini Straightedge Luthier Tool, Precision-Machined for Accuracy, Locate High Frets Fast

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**Shop now:** [https://www.desertcart.lk/products/30908020-understring-radius-gauges-set-of-9-standard-width-for-guitar](https://www.desertcart.lk/products/30908020-understring-radius-gauges-set-of-9-standard-width-for-guitar)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-22*