Luthier's Digital Caliper

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Luthier's Digital Caliper

Item # 0447
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Luthier's Digital Caliper

About This Item

Always one of our most popular items when we exhibit at luthiers conventions!

Our Luthier's Digital Caliper combines precision, ease of use, versatility and an attractive price, but its usefulness for fret work makes it special.

Customized for fretwork!
We added a custom jaw notch for accurately measuring fretwire crown height (the height above the fretboard). This is essential for comparing new wire to original wire. And thanks to a great idea by repairman Frank Ford, we've also added a notch on the depth gauge to measure fret height on the instrument—a real time saver.

  • Measures fret height before AND after fret installation
  • Accurate readouts in inches or millimeters
  • A must for all precision guitar work

Handy for lots of other measuring jobs in the shop—nuts, saddles, tuners, tool setups and more—this caliper has long-life stainless steel jaws. Featuring LCD digital readouts in inches or millimeters, it measures outside, inside and depth dimensions up to 6" (154mm), with super-accurate .0005" (.01mm) resolution. The jaws can be locked at any position.

LR44 battery and durable plastic storage case included.


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  • 4.35 average rating from 54 reviews
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Great for players!

(Customer's Reviews)

I bought this so I can communicate better with my luthier. I want to know the fret height for each of my guitars so I can determine and explain my preferences better. It's very easy to use, but I had to watch a video that Stewart Mac posted to understand it because the written directions were not helping me. I did not oil it because I hate the mess. I use vinyl medical gloves or wipe off the device after use to prevent corrosion since I don't use it much.


Good tool for the price!

(Customer's Reviews)

I looked extensively for a pair of calipers that were reasonable quality without spending hundreds. StewMac fit the bill perfectly. Well made, and doesn't break the bank!


Great product working with frets

(Customer's Reviews)

I use it more for repair but also for building. I use it with my guitars,dulcimeres and ukulele

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StewMac PDF Catalog, page 8 See Luthier's Digital Caliper
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