Radius Gauges

  • 28 Reviews
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Durable stainless steel!
Quickly find the curvature of a fingerboard or bridge with these sets of radius gauges.

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Radius Gauges Original (smooth), set of 2

Original (smooth), set of 2

Item # 5432
In stock, ready to ship!

$22.95

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Radius Gauges Notched, set of 4

Notched, set of 4

Item # 5433
In stock, ready to ship!

$47.25

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Radius Gauges, Complete set of 6

Radius Gauges, Complete set of 6

Item # 5434
In stock, ready to ship!

$70.20 $65.99

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Quantity: 20

Product Video

Radius gauges for guitar work

Dan Erlewine demos the three kinds of radius gauges for setup and fretwork.


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Product Details

Durable stainless steel!
Quickly find the curvature of a fingerboard or bridge with these sets of radius gauges.

Use them frequently to check your work as you smooth or shape a fingerboard or frets: a quick visual check keeps you from accidentally altering the shape — a mistake that's easy to make and hard to fix.

Sold individually or SAVE when you buy the set of all three radius gauges.

Guitars commonly have a "compound radius," meaning the curvature changes from the nut to the end of the fingerboard. "Eyeballing" this subtle change is next to impossible; that's why a set of radius gauges is essential. Also use them for profiling an acoustic bridge saddle and setting the string heights on an electric guitar bridge. Our gauges have precision laser-cut 7-1/4", 9-1/2", 10", 12", 14", 15", 16" and 20" radii. They're made of stainless steel for durability in the busy shop, and work for string spreads and fingerboards up to 3-1/4" (82.55mm) wide.

Use them in combination with our Radiused Leveling Blocks, for professional results.

New notched gauges work with strings on! This new version is handy when you want to check a fingerboard without taking the strings off. The set includes closely-spaced string notches for use near the nut, and wider spacing for use near the body (great for compound radius fingerboards). This set includes the same radii as our regular set.


Ratings & Reviews

Radius Gauges

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  • Based on 28 Reviews
Displaying 3 of 3 1 2 3
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Radius Gauges

By Custom Saddles by Bob Colosi from St. Marys, GA
(Customer's Reviews) Wednesday, April 20, 2011


These are perfectly designed. A MUST for accurately creating and reproducing nuts and saddles.

Needs slots.

By Jerhico Guitars from Altona, NY
(Customer's Reviews) Wednesday, April 13, 2011


These are Ok but they really need slots. Go for the slotted type instead....I ended up slotting my own within 10 minutes of opening the package.

great if the strings are off...

By smashedguitars from San Antonio, TX
(Customer's Reviews) Thursday, March 24, 2011


perfect for making sure nothing goes bad while cambering a board... worked for me!

A must in any repair shop

By Dane Paul from Nashville
(Customer's Reviews) Sunday, January 30, 2011


I love these radius gauges. Now I can see if there's a compound radius on the fretboard. Great tool to have.

A Winner

By GOA Guitars from Bris Australia
(Customer's Reviews) Tuesday, January 04, 2011


We all need these,well made and makes any job faster and easier

Would be better with one change...

By DM from NS
(Customer's Reviews) Tuesday, January 04, 2011


The earlier versions were plastic, and weren't as reflective when you put them on the strings, so they were easier to look at. Bring back those, and you've got a winner!

Radii gauges

By KL from Christchurch, New Zealand
(Customer's Reviews) Thursday, December 16, 2010


Perfect for the job and durable. I recommend this product.

Better than paper

By jakemit1 from Cibolo,Tx
(Customer's Reviews) Wednesday, December 15, 2010


These radius guages are great and are made to last. For a long time I was useing paper guages. But this set takes the cake.

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Shown on page 17 of our latest catalog.