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Home : Tools : Special tools for Nuts and saddles : String Spacing Rule

String Spacing Rule

Read 126 Reviews   |   Write a Review

Get accurate string spacing without calipers, calculators or shop rulers.

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String Spacing Rule

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Our laser-etched stainless steel String Spacing Rule quickly finds the right spacing for just about any stringed instrument. It does all the math for you: proportional slot spacing automatically compensates for string diameters, from treble to bass, so the thicker strings won't seem crowded to the player.

The problem is: if you space the strings equally, they don't feel equally spaced. The thicker bass strings seem crowded together. Each gap between strings has to be slightly different to feel right to the player. How do you calculate this? The String Spacing Rule takes care of it, for guitars, basses, mandolins, and banjos.

Fast. The String Spacing Rule is slotted so you can quickly mark the string positions onto the nut. Use a scribe instead of a pencil, and it creates extremely accurate starter grooves for your nut slotting files.

Easy to use. Mark the two outer string positions onto the nut. Slide the rule over the nut to find a set of slots that matches your two marks. Now just scribe or pencil the string positions onto the nut! No measuring, dividing or calculating — the rule does the math for you.

Accurate. The rule's slots are laser-cut in a continuous scale that wraps around both edges of the rule (our thanks to luthier Kevin Ryan for creating this tool). Proportional slot spacing subtly compensates for the diameters of the individual strings, from treble to bass, to give the right feel and playability.

Not just for nut slotting. You can use the String Spacing Rule to notch Tune-o-matic bridge saddles, to lay out bridge pin holes, and when notching archtop guitar, banjo, mandolin and violin bridges.

The String Spacing Rule is made of laser-etched flexible stainless steel that conforms to flat or arched surfaces. Instructions are included.

The String Spacing Rule is included in the Essential Nut Making Tool Kit, which has all the basic tools you'll need for shaping, string-spacing, slotting and fitting string nuts like a pro.

Using the String Spacing Rule for guitars and mandolins
Getting the best string spacing on guitars, mandolins... everything!
Using the String Spacing Rule for guitars and mandolins Read more

In this issue:
Erick Coleman uses Kevin Ryan's proportional string spacing rule for more jobs than Kevin ever expected: 12-strings, mandolins, bridge saddles... Plus: an explanation of the difference between equal spacing and proportional spacing.

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 Ratings and reviews
String Spacing Rule
String Spacing Rule
5 out of 5 stars
Based on 126 ratings Write a Review
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Displaying 11 – 20 < 1  2  3  ...  13 >
5 1-20-2014
Worth every penny!

I bought this a couple of years ago and have used it almost daily. It is a great quality tool and is a tremendous time saver!

justinarts  West Texas, USA Read my reviews (35)
5 1-19-2014
What a time saver!

Wow, what a time saver! I'm very pleased with the quality; totally worth the price.

Patrick A.  Ottawa, Ontario
5 12-22-2013
String Spacing Rule

If you space strings on centers, not worth the money. However if you plan to make more than one nut with equal spacing between strings it's worth every penny. Manual calculations are cumbersome and prone to error. This is extremely quick and deadly accurate.

Mr. R  Cincinnati, OH Read my reviews (5)
5 12-15-2013
should have found this a long time ago...

brilliant time saver! I really should have had one like 15 years ago, it would have saved me tons!

JeeWee Donkers  Ede, the Netherlands
5 11-30-2013
handy dandy tool

What more can you say other then this tool is awesome! Talk about a time saver. I wish I'd thought of it! Best of all it is accurate and well priced, two top considerations for any tool purchase.

Craig007  Phelps, NY
5 11-27-2013
Easy to use

Perfect tool for the job. You can not get it wrong with this tool.

Chriztian  Norway Read my reviews (8)
5 10-23-2013
Time saver.

A great item. I used to do all nut widths sizes and it took time to get right. Takes the brain work out of the equation. Should have had one years ago.

Garry Petrisic  Toronto NSW Australia Read my reviews (3)
5 10-13-2013
Should have bought sooner!

It takes a little practice to get used to it, but worth the learning curve. I went through my 4 guitars, bass, and ukulele. Found 1 acoustic that is a little off with the nut spacing. It now makes sense that I tend to make more "mistakes" when playing this guitar versus the others. This will be part of my set up tools from now on. Forget the internet "printouts", get this tool for true precision.

WBR Guitars  USA Read my reviews (9)
5 9-09-2013
I love this tool

I use it for string spacing all over the place. Awesome tool that takes any guess work out and speeds up the job. BUY IT!

All-Strings Instrument Service  IL Read my reviews (8)
5 9-02-2013
Great Rule

This is great tool and absolutely essential. From nuts to tune-o-matics, this makes short and accurate work of string spacing. Get one!!

Steve C.  KS. Read my reviews (4)
Displaying 11 – 20 < 1  2  3  ...  13 > /\ Top of Reviews

Shown on page 18 of our latest catalog.
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