String Action Gauge

5.0
  • 160 Reviews
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Inches

Item # 0670
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$18.95

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Metric

Item # 0670-M
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$18.95

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String Action Gauge

Fast, accurate measurements for setups. Our String Action Gauge is a "Swiss Army Ruler" for setup adjustments on any stringed instrument.

This pocket-size stainless steel rule has become a luthier's favorite in busy shops. It's the best way yet to get vital measurements on acoustic and electric instruments.
• String height
• Bridge saddle height
• Saddle slot depth
• Fret slot depth (unbound fingerboards)
• Nut height
• Pickup polepiece height


No more "three-and-a-half-64ths or 3/32" plus one of those little lines." This gauge measures in ways that regular rulers can't. —Dan Erlewine

Developed here at Stewart-MacDonald by Dan Erlewine and Don MacRostie, the gauge features a progressive string height scale: simply slide it across the frets and read the measurement under the string. It's faster to use than any ruler, and stays parallel to the fingerboard—much easier than trying to hold a ruler perpendicular to a rounded fret. The string height markers are graduated from .010" to .140" on the inch model, and from 0.25mm to 3.50mm on the metric version.

The back of the gauge has a time-saving fractional/decimal/metric conversion chart.

The String Action Gauge is made of durable stainless steel with precision-etched markings, and fits right in your pocket.

Tip: You can use the gauge to set router depth, instead of a shop ruler. It sits solidly on your router base, with the scale right where you need it.


Product Instructions

Making a Nut, Step-by-Step

Dan Erlewine, of Stewart-MacDonald's R&D Team, walks you through making and installing a new nut.

Product Instructions

String Action Gauge

How to determine string action with the String Action Gauge.

Metric String Action Gauge

How to determine string action with the Metric String Action Gauge.

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5.0
  • 4.87 average rating from 160 reviews
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5.0

One very handy little tool

By
(Customer's Reviews)


Like many folks, I suspect, I made do with a pocket rule or sometimes even strings of differing gauges when doing setup work. I finally broke down and treated myself. It really does work better, has lots of different scales with which to measure and works great. Wish I'd just gotten it years ago.

5.0

This is a must have

By
(Customer's Reviews)


This gauge means that you can check your string action height with a quick glance. Brilliant.

5.0

Invaluable tool

By
(Customer's Reviews)


This is one of my favorite tools for set ups. No more guess work. Simple to use and very accurate. Buy it now!

5.0

Easy accurate measurements.

By
(Customer's Reviews)


Great, simple measurement gauge, always close to hand.

5.0

Awesome Gauge

By
(Customer's Reviews)


Spent months to look for a stainless steel ruler but can't find anything work. This solved the problem and it works as it should and nice and handy. Might get extra sets to put it in my other guitar cases.

5.0

Rules

By
(Customer's Reviews)


i m not sure! , something like that!,
now i know exacly where my strings should be :)great rules!!!!!

5.0

String Action Gauge 0670

By
(Customer's Reviews)


I normally use dial calipers and a little metal scale, but those are kind of clumsy. The string action gauge is, in my opinion, much easier to use because it is specifically designed for the task. This definitely gets a thumbs up from me.

5.0

Excellent tool

By
(Customer's Reviews)


Very usefull tool, well made and easy to read.

5.0

String action gauge

By
(Customer's Reviews)


This gauge is a very fast tool when you have to set the action of your guitar.

5.0

good for luthiers

By
(Customer's Reviews)


very useful tool

Displaying 6 of 16
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Shown on page 16 of our latest catalog.