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Home : Tools : Measuring tools : 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 111 – 120 < 1  ...  11  12  13 >
4 12-03-2010
Almost perfect gadget

I am dabbling with guitar refurbishment and assembly using parts gathered here and there. This string spacing rule is essential for cutting a string nut from scratch. My only (small) complaint is that it has no reference marks to identify the slots you select--I had to put tape down the middle and use colored dots in order to recall the dimensions I had selected. Perhaps a later model can include reference letters or numbers down the middle so that the user can note that position "B-6" worked best for a particular application.

Arthur Z  New Orleans, LA Read my reviews (3)
5 11-30-2010
Chris Pedersen, OZ

THIS makes me accurate, every time. Great thanks very much, perfect for any guitar builder at any level

tzen  newcastle australia Read my reviews (5)
5 11-29-2010
Great tool!

Accurate string spacing! Great tool!

stepuc  italy Read my reviews (2)
5 11-26-2010

Wish i would have came up with this tool it works sufficiently. Its a must when it comes to making a guitar nut

Johnny Star  Napa, CA Read my reviews (4)
5 11-22-2010

Easy to use, durable, fits ANY nut and neck. Great idea, wonderful tool. Thank you.

Tiunov (22)  Moscow, Russia Read my reviews (15)
5 10-29-2010
Spacing Rule

The String Spacing Rule came with good instuctions and is a very easy tool to use. I found that it speeds up the whole process of making new nuts. Now I don't have to guess or eyeball where I want string placement. Great tool!

Elias Preston  St. Louis, Missouri Read my reviews (5)
5 10-22-2010
Sight saver

At 60, my eyes can't take the strain and I needed something to make string spacing easier. This is the ticket. I should have got one of these while my eyes were good, They'd probably still be good!!

Bigriver Guitars  Read my reviews (3)
4 10-13-2010
String Spacing Rule

I decided to try spacing my strings mathmatically. It can be done. But I found that I couldn't be precise enough with my ruler and pencil even with 64th's. Hated to spend money on something that I'm only going to use 4-5 times (amateur luthier), but the minute I got it, I was glad I did. It's stupid easy to use, and very much worth it to me now. I highly recommend it even for a couple of builds. I know it took some effort to create this rule, but the price is still a bit high. Keeping it from getting 5 stars from me. Does what it's supposed to do and does it well, though.

naccoachbob  Nacogdoches, Tx
4 10-07-2010

This is a must-have time-saving tool for the working pro tech/luthier. The only caveat is that at the narrow end of the scale, the center-to-center E-to-E tick marks for a 6 string is 1.328", and some (very very few!) necks have narrower nuts that the scale can't handle. Still, the best spacing tool around for nuts and saddles.

Fret Tech  NJ
5 9-30-2010

A clever little ruler! I don't know how i went without it!!

Seth McCombs  East Rochester, NY Read my reviews (2)
Displaying 111 – 120 < 1  ...  11  12  13 > /\ Top of Reviews

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