Nut Slotting Gauge

  • 65 Reviews
  • Write a review

A revolution in guitar setup! Precisely measures string heights, so you can cut accurate nut slots for consistent playability.

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Nut Slotting Gauge For guitar and most instruments

For guitar and most instruments

Item # 2003
In stock, ready to ship!

$59.94

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Nut Slotting Gauge For bass

For bass

Item # 2006
In stock, ready to ship!

$68.47

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Quantity: 20

Video

Nut Slotting Gauge

Dan Erlewine uses the Nut Slotting Gauge: the most accurate measure of nut slot depth.


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Details

A revolution in guitar setup! Precisely measures string heights, so you can cut accurate nut slots for consistent playability.

This device that will revolutionize the way you set up a guitar.
The Nut Slotting Gauge quickly and precisely measures string heights over the first fret. When filing nut slot depths, you see your results more accurately than ever before. No more guesswork or "eyeballing" the string heights, and no more searching for elusive combinations of feeler gauges. You can custom-tailor the playability with consistent, repeatable results.

At last! A precision tool for establishing string heights!


The Nut Slotting Gauge was designed by Don MacRostie here in our R & D shop. It features an easy to read dial indicator with adjustable zero point, and it's super accurate to .001". The machined brass base fits over the strings to rest on the fingerboard, and it works with most acoustic and electric guitars, mandolins and banjos. A larger brass base is machined to fit bass string spacings. Both have gently arched bottoms to follow most any fretboard radius. Instructions are included.

The Nut Slotting Gauge is included in this money-saving set: Nut Slotting Gauge and Neck Relief Gauge Set


Trade Secrets! Newsletter

Putting the new Nut Slotting Gauge to work on a "burn victim" guitar

Dan Erlewine shows a before and after of a 1958 Gibson that's (barely) survived a house fire. It needs a new nut, and he's using the Nut Slotting Gauge to get it right the first time.

Product Instructions

Nut Slotting Gauge Instructions

How to determine nut slot depth with the Nut Slotting Gauge.

Ratings & Reviews

Nut Slotting Gauge

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  • Based on 65 Reviews
Displaying 7 of 7 1 2 3 4 5 6 7
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Love it

By John Cross from Devon, Alberta
(Customer's Reviews) Monday, November 08, 2010


I had always struggled with setting the action at the nut. After using this tool the first time, I kicked myself for not getting it sooner. Makes the job faster, easier and gets rid of the guesswork.

Nut Slotting Gauge

By Bill Crocca from Rochester, NY, USA
(Customer's Reviews) Wednesday, August 18, 2010


An excellent idea, but the dial on mine does not reliably come to rest at the same place. As a result, I take many measurements and I assume the average is within .005" of the actual height. If the dial were more reliable, it would be great.

Best Action Yet

By Eric Cornett from Vilas NC 28692
(Customer's Reviews) Friday, August 13, 2010


I used the nut slotting gauge on my latest guitar Project. There is no guessing or messing around with feeler gauges trying to get the action at the nut just right, you know within seconds exactly the height of the string over the first fret. I would not do another nut without it.

Great tool!

By Jim Dodds from Ottawa, Canada
(Customer's Reviews) Sunday, May 23, 2010


Thanks for developing such a great tool for adjusting string height at the nut. Makes the job quick, accurate and easy! Because the dial actually measures on a countdown rather than count up basis, I zero the dial while the string is pressed to the fret so during the adjustment process, I just rest it on the string (without depressing) to see the height without having to depress the string or do the subtraction to determine the measurement. Thanks again. Jim

Good grief!!! It's the coolest thing ever!!!

By Daniel Carbone from Arlington VA
(Customer's Reviews) Wednesday, May 19, 2010


Fantastic ... small, simple, accurate. Like a little piece of functional art. I want a second one for my car dashboard. Many thanks to Don MacRostie.

Displaying 7 of 7
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