String Action Gauge

String Action Gauge

Inches

Item # 0670
In stock, ready to ship!

$22.83

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Metric

Item # 0670-M
In stock, ready to ship!

$22.83

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String Action Gauge

About This Item

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.

StewMac's String Action Gauge has two models (sold separately) for measuring in inches or millimeters. 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.


CALIFORNIA PROPOSITION 65 WARNING
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.


Video

Instructions

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
  • 4.88 average rating from 386 reviews
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5.0

String Action Gauge

By

Verified Buyer


Nice high quality tool. Will be very helpful in getting better bass and guitar setups.

5.0

Great work bench addition.....

By

Verified Buyer


This little gauge is a must have!

5.0

gadget

By

Verified Buyer


Works just fine.

5.0

Home shop

By

Verified Buyer


Just what I needed.

5.0

String Action Gauge - Great Tool

By

Verified Buyer


This gauge is justr what I needed to set up my guitars. I never knew about this tool until I saw John Petrucci's guitar luthier set up his guitars. Now Im glad I have this so I can check and set up my guitars.

4.0

White background

By

Verified Buyer


Good gauge but would be easier to see with a white background.

5.0

Expensive but worth it

By

Verified Buyer


32 dollars to my door is a bit much, but it's very sturdy and works as advertised.

5.0

Good Buy!

By

Verified Buyer


Just what I needed to gauge the action for truss rod adjustments.

5.0

Great tool!

By

Verified Buyer


Love the new thickness of the gauge!

5.0

Great first tool!

By

Verified Buyer


I've been a guitar player for 40 years and have always done my own minor work on my guitars. But this year I decided to step it up and start watching guitar set up and repair videos on YouTube and buy professional tools needed for the jobs. That's where I came across Stew Mac. I thought their prices were awfully high until I read reviews on their high-quality tools and great support. I took their suggestion on what tool to buy first and bought their String Action Tool. This thing is high quality and well worth the $30 bucks. Don't waste your money on the cheap import tools you find on Amazon. I highly recommend this tool and the folks at StewMax. I can't wait to order my next tool and learn more from their videos.

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StewMac PDF Catalog, page 32 See String Action Gauge
on page 32 of our StewMac Digital Catalog