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Home : Nuts, saddles : String Spacing Rule

String Spacing Rule

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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 91 – 100 < 1  ...  9  10  11  ...  13 >
5 5-29-2011
String Spacing rule

Again an excellent product and delivery to UK second to none, many thanks

Mersea  England Read my reviews (4)
5 5-27-2011
A Must Have

Put away the calipers. This tool gets it right every time. There are a handful of tools that every busy repair shop should have. This is one of them. I use it in my shop daily and so do my employees.

Wimsatt Instruments  Nashville, TN Read my reviews (3)
5 5-12-2011
Absolutely Useful

What a useful tool to consider various string spacing distances on the fly! This way you can conserve valuable neurons and time for the more tedious work.

toneage  canada Read my reviews (6)
5 5-11-2011

Je suis très content de cet achat, je ne pourrait plus m'en passer c'est tellement simple et précis ça ne vaut pas le coup de s'en priver, ça permet de faire du travail de qualité.

Amaury  France, Ardennes
5 5-07-2011
Necessary tool for beginners

Hard to imagine not using this tool in the past.

Clell  Dallas, TX Read my reviews (21)
5 4-15-2011
Time Saver

The first time I used it, I nailed it. My strings feel evenly spaced just the way the way they should.

JVan  Granger,IN Read my reviews (17)
5 4-06-2011
A must have

Great time saver. Worth every dollar if you do repairs for a living.

P.A. Roiron (Guitares-Roiron)  Lyon, France Read my reviews (8)
4 4-02-2011
Good for keeping existing spec

Experienced luthiers may scoff at using this tool as they can simply eyeball the spacing as well as anything the ruler may tell them. For those folks, perhaps this is not all that useful. However, for those of us learning or less experienced or if you have an existing instrument and you want to make sure the string spacing is exactly the same as the original nut, this can be a very useful tool to ensure you can capture exactly what the instrument had to begin with. Simply takes the guesswork out of the equation.

P Smith  Cary, NC Read my reviews (5)
4 3-23-2011
Not just for pros

I hesitated buying this tool, because I only work on my own instruments, and I just don't make very many nuts. (this was only my third) I tend to like my string spread as wide as possible though, and this tool made it so much easier; the last time I made a nut, after all the adjusting and correcting I ended up with the same spread I started with. This time, everything started out properly spaced, and no adjustments or corrections were needed. The ruler was designed for pros, but the occasional repairman (like me) can benefit from it even more, imho. I am giving this a four rather than five star rating only because it can be a bit of a handful to use, but I suppose that it gets easier the more you use it.

Demac  Seward, NE Read my reviews (6)
5 3-22-2011
A must!

No instrument shop should be without one of these scales! Very handy for 'floating' bridges as well as nuts. Hats off to StewMac. Buy an extra one and put it in a safe place.

J.C. Moranville  Colorado Read my reviews (20)
Displaying 91 – 100 < 1  ...  9  10  11  ...  13 > /\ Top of Reviews

Shown on page 18 of our latest catalog.
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