StewMac Guitar Understring Radius Gauge Set - 4-Piece Standard Width (7-1/4", 9-1/2", 12", 16") - Fretboard Radius Measuring Tool for Guitar & Bass
MMK 145927
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Complete Guitar Setup Kit: Essential tools to ensure your guitar is always performing at its best, trusted by professional luthiers and repair shops.
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What Stands Out
Product Details
- PRECISE FRETBOARD RADIUS MEASUREMENT: Quickly measure your fretboard radius and match bridge saddle height
- STANDARD WIDTH FOR COMMON SETUPS: Covers most 6-string guitars and 4-string basses, with gauges spanning string spreads up to 2-5/8"
- DUAL EDGE FUNCTION: Bottom edge reads fretboard radius, while the top arc provides a visual reference for adjusting saddle heights
- LOW-PROFILE FOR TIGHT CLEARANCE: Slim shape fits easily under strings and into tight spaces
- LIFETIME PROMISE & EXPERT SUPPORT: All StewMac tools are backed by our Lifetime Promise for lifelong durability and our expert tech support is there when you need it most
| Brand Name | StewMac |
| Instrument | guitar |
| Global Trade Identification Number | 00840014741021 |
| UPC | 840014741021 |
| Manufacturer Part Number | 2309 |
| Set Name | Set of 4 |
| Unit Count | 1.00 Count |
| Included Components | Set of 4 Radius Gauges (7-1/4", 9-1/2", 12", and 16") |
| Model Name | StewMac Understring Radius Gauges, Standard Width, Set of 4 - (7-1/4", 9-1/2", 12", and 16") |
| Model Number | 2309 |
| Manufacturer | StewMac |
| String Material Type | Metal |
| Body Material Type | Metal |
| Material Type | Metal |
| Color | Silver |
| Brand | StewMac |
| Number of Items | 4 |
| Item Weight | 0.5 lbs (230 grams) |
What's in the box
Set of 4 Radius Gauges (7-1/4", 9-1/2", 12", and 16")
Who Should Buy?
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Guitar Builders
Luthiers will find these gauges essential for accurately shaping fingerboards and ensuring string height consistency.
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Setup Technicians
Instrument setup professionals can use these gauges to optimize instruments for playability and comfort during string adjustments.
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Hobbyist Musicians
Musicians who enjoy DIY setups can benefit from this toolset for maintaining their instruments in optimal playing condition.
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Casual Players
Occasional players may not need precise measuring tools and might prefer simpler setup methods without these gauges.
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Non-Guitar Instruments
These gauges are specifically designed for guitars and are not suitable for other stringed instruments with different radius measurements.
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Budget-Conscious Buyers
Individuals looking for cheap solutions may find this set too expensive compared to simpler or less versatile options.
Product Description
Customer Questions & Answers
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Question:
What tools are included in the StewMac Basic Guitar Setup Kit?
Answer: The StewMac Basic Guitar Setup Kit includes three essential tools for professional guitar setup: a String Action Gauge, a Precision Straightedge, and nine Understring Radius Gauges. The String Action Gauge helps measure string height for optimal playability, while the Precision Straightedge ensures the neck is properly aligned. The Understring Radius Gauges assist in setting the correct curvature of the fretboard, crucial for both acoustic and electric guitars. This comprehensive set caters to guitarists seeking precision and consistency in their setups. -
Question:
How can I use the String Action Gauge effectively?
Answer: To effectively use the String Action Gauge, simply place it under the strings at the 12th fret while ensuring the gauge is level with the fretboard. This will provide you with accurate measurements of the string height at multiple points. Adjusting the action can improve playability and comfort based on your playing style. Regularly checking the action allows you to tailor your guitar setup to personal preferences, making it a must-have for any dedicated guitarist. -
Question:
What is the purpose of the Precision Straightedge?
Answer: The Precision Straightedge is used to check and adjust the neck relief of your guitar. By placing it along the frets, you can identify any areas that may be high or low, allowing for precise adjustments. This tool ensures that the fretboard is true, which is essential for proper string action and intonation. Whether you’re adjusting a new guitar or maintaining an older one, the Precision Straightedge is critical for a successful setup. -
Question:
Why are Understring Radius Gauges important?
Answer: Understring Radius Gauges are crucial because they help you match the curvature of your guitar's fretboard to the strings. This ensures optimal playability, preventing issues like buzzing or uneven string height. With nine gauges included, you can work with a variety of string setups, making it easier to achieve the perfect configuration for your instrument. Guitarists who perform different styles will find this tool invaluable for alterations that enhance comfort and performance. -
Question:
Is the StewMac Basic Guitar Setup Kit suitable for all types of guitars?
Answer: Yes, the StewMac Basic Guitar Setup Kit is designed to accommodate both acoustic and electric guitars. By providing tools that address common setup issues, this kit ensures that you can work on various instruments effectively. Whether you’re setting up a vintage acoustic, an electric guitar with complex pickups, or a modern solid-body, these tools will help achieve the desired setup. This versatility makes it an excellent choice for both amateur and professional guitarists. -
Question:
Can beginners use the StewMac Basic Guitar Setup Kit?
Answer: Definitely! The StewMac Basic Guitar Setup Kit is user-friendly and suitable for beginners as well as professionals. Each tool is designed to guide you in measuring and adjusting your guitar setup accurately. With clear instructions, even those with limited experience can achieve excellent results. As you learn about your instrument, these tools will become essential for making adjustments, tuning your guitar to perfection, and improving your skills over time. -
Question:
How often should I perform a guitar setup using this kit?
Answer: It's recommended to perform a guitar setup at least two to four times a year, depending on your playing frequency and environment. Factors like humidity, temperature changes, and string changes can affect your guitar's setup. By regularly using the StewMac Basic Guitar Setup Kit, you can maintain optimal string action and playability, ensuring your instrument performs at its best. Frequent adjustments can also help you identify any potential issues before they develop. -
Question:
Can I use the kit for electric guitar intonation adjustments?
Answer: Yes, the tools in the StewMac Basic Guitar Setup Kit can assist with electric guitar intonation adjustments. By ensuring the bridge is correctly positioned and using the Precision Straightedge to check the neck, you can achieve perfect intonation, which is vital for playing in tune across the fretboard. Using the String Action Gauge in conjunction with intonation checks will provide a complete setup for optimal sound quality, especially during live performances or recordings. -
Question:
What materials are the tools made from?
Answer: The tools in the StewMac Basic Guitar Setup Kit are crafted from high-quality materials for durability and precision. The String Action Gauge and Understring Radius Gauges are made from sturdy, high-grade plastic, ensuring they can withstand regular use without bending or breaking. The Precision Straightedge, typically made from metal, allows for accurate measurements without flexing. Together, these materials enhance the reliability of the tools for any guitar setup task. -
Question:
Where can I buy the StewMac Basic Guitar Setup Kit in Myanmar?
Answer: You can purchase the StewMac Basic Guitar Setup Kit through Ubuy, which offers a wide selection of musical instruments and accessories. Ubuy provides a convenient platform for finding and ordering this kit, ensuring that you receive authentic products delivered to your location in Myanmar. Explore Ubuy for details on availability and make your purchase directly online.
StewMac Tools 2309 Editorial Review
The Stewart Mac Radius Gauges are a high-quality and accurate set of four tools that are indispensable for anyone who maintains their own instruments. The gauges fit perfectly under the strings of both acoustic and electric guitars without bending, enabling quick and effortless setup. To determine the radius of your fretboard, simply hold the tool vertically, place it between two frets and shine a flashlight to see which gauge lies flat with the fretboard. Though the cost for the product is slightly high compared to other brands, the quality and accuracy of the gauge prove to be an excellent investment to last for many years to come.
Customer Reviews & Ratings
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5 Star
88%
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4 Star
11%
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3 Star
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1 Star
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Pros
- Accurate and High Quality
- Makes guitar setup quick and effortless
- Perfect for both acoustic and electric guitars
- Smooth Edges
Cons
- Cost is slightly high compared to other brands
Product Price History
Important information
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MMK 145927
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Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Features & Benefits
- Upgrade your guitar's performance with the Complete Guitar Setup Kit.
- Includes precision tools used by professional luthiers and repair shops.
- Easy-to-use String Action Gauge for quick measurements.
- 18” Precision Straightedge for accurate neck relief and truss adjustments.
- Understring Radius Gauges to optimize bridge saddle heights and playability.
- Free step-by-step instructions and ongoing video tutorials included.






