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Will adding a Bender change my guitar's sound?

Players do not report any change in their instruments' sound but, probably, everything you do - even changing a knob - makes a difference, just not one that's audible. The necessary wood removal is minimal and, while it is possible that some bender types that require routing away much of a guitar's back may even improve the instrument's sound, our object has been - from the very beginning, 40 years ago - to have no audible impact. 

How much weight will this Bender add to my guitar?

This Glaser Bender is very lightweight. The neckplate mechanism is made of a very strong alloy and, even with 2 small bearings and stainless lever arm it weighs only slightly more than a typical Fender steel neckplate.  Likewise, the Bender saddle and Pull Finger assembly adds only a slight amount of weight.  Though wood removal is very minimal, what is removed typically weighs a bit more than the spring and therefore, the Bender, as installed, is virtually weight neutral.

Where can I get a new Glaser Bender installed?

There are a few authorized Glaser Bender Installers including Glaser Instruments in Nashville. Others will be added to this website as they get up and running. To maintain our history of extremely low issues with Benders, great attention is paid to correct installation and having this done on the accurate jigs, fixtures and tooling that is part of authorized installation.

Can I do the installation myself or can my regular repair person?

Only authorized and trained installers can install the Glaser Bender.  This policy is to assure that all machining is precise and the setup is up to our stringent quality standards. These standards are in place to assure that the Bender is free of friction or other functional issues and returns to pitch as expected and that no damage is done to your instrument. 

Is there any warranty on the Glaser Bender and what does it cover?

While there is no specific warranty on the Bender, historically we have had less than 1/10 of a percent returned within 10 years and we have always covered any repairs as long as the owner schedules or calls ahead and covers any shipping and insurance. This version of the Bender has less moving parts and is even more solidly built.

As an improvement, the pulled string no longer has its ball end loaded below the bridge surface and broken strings will not end up inside the guitar. Other improvements also reduce any need for adjustment or maintenance.

What is the turnaround time and cost for installation?

While the turnaround time depends on the installer's work load, the installation typically takes a couple of hours. Cost for the standard 3 saddle Bender is $650.00 plus any taxes, shipping and new strings or other requested work.

What tools do I need to change my pulled string? Hint: leave your mouse on the picture for tool names. 


Saddle height screw driver or wrench

String winding tool

Small Pliers

Phillips screwdriver

for tension


Long screwdriver for intonation


6 Steps to Change your Pulled String:

1. Loosen the top 4 strings

2. Remove the Saddles - e' thru G

3. Change the Finger axle pin to the correct hole

4. Reverse the height adjustment set screws

5. Reinstall the saddles in the preferred configuration

5. Restring and intonate

6. Adjust the tuning thumbscrew and tension, if necessary

For answers to more frequently asked questions such as:

  • How do I change the pulled string from B to G or vice versa? How do I restring? How do I adjust the stop? 

  • How do I adjust the resistance? 

  • How do I attach the strap lock to the strap?

Please watch the following videos. Also available on Youtube. Subscribe to Glaser Instruments on Youtube to stay in tune!

Glaser Bender® all rights reserved
US Pat. 10,810,977