The String Butler

Link to the Official Website for the String Butler from Dietrich Parts in Germany: Link

String Butler Installation Instructions in English: Link

String Butler Product video page: Link

String Butler images: Link

String Butler Testimonials: Link


Who is the String Butler for?

  • Is your guitar difficult to tune?
  • Are the machine heads on your guitar difficult to turn?
  • Are you tired of having to retune a couple of strings after every song in your setlist?
  • Then you will love the String Butler!

What is the String Butler?

The String Butler’s Patented Design attaches to the head of your guitar and corrects the string angle as it passes through the nut.

How does the String Butler make my guitar better?

If the design of a guitar headstock doesn’t position the machine heads directly in line with the slot in the nut, then high friction is generated between the nut and the string because the string angle has to change above the nut.  This friction makes it difficult to tune the guitar accurately and the tuning may change while you are playing as the strings move, vibrate, and flex.  In severe cases it is also difficult to turn the machine heads which can damage them.  The String Butler sends the strings straight through the nut which reduces this troublesome friction.


The String Butler Close-Up
String Butler uses low friction rollers to guide the strings straight through the slots in the nut

Will the String Butler work with my Guitar?

The String Butler is designed to correct the string angle of guitars with a rectangular machine head pattern.  This shape (illustrated below) is very common for some manufacturers:

String Butler Headstock Compatibility

If your guitar has a headstock like the one on the left above, and strings 2, 3, 4, or 5 are not in alignment with the nut, then the String Butler should be compatible.  However, if your guitar doesn’t use nuts to hold the machine heads in place then short wood screws will be required to attach the device to the guitar.  The following graphic explains:


As with any upgrade or repair work, care should taken to not cause damage your guitar:

Installation Disclaimer

The following graphic explains how to measure your guitar to insure that it will attached to your machine heads using the existing nuts:

What String Butler colors are available?

The String Butler V3 is available in Metal or Acrylic material.  The metal version is available in 3 colors: Black Chrome, Gold Chrome, and Silver Chrome.

The String Butler V3 is available in 3 Chrome Plated Metal Colors and Clear Acrylic

String Butler Installation Instructions

Detailed Installation Instructions in English: Link

In general you have three options as illustrated in the following graphic:


Manufacturer Warranty:

The String Butler is covered by a 24 month warranty against defects in material or workmanship starting from the time of purchase when purchased from an authorized Dietrich Parts dealer.  Please contact Dietrich Parts directly for warranty claims at:

If you have any further questions about this product please contact us using the Contact Us Page.

Are you already enjoying a String Butler?  Send us a picture of you with the product and we will feature your picture on our social feeds!  Creative pictures are encouraged!  Simply email your picture and a story or testimonial to

This page was created and is copyright protected by Laplace LLC, a North American Dealer of the String Butler.  Images are owned by Laplace LLC or Dietrich Parts.  All rights reserved. 

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