Endpin Jack Wrench

  • 6 Reviews
  • Write a review

No more painful arm contortions when working through a soundhole! A machined slot lets this wrench slide neatly over the jack's wire, solder prongs and nut.

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Endpin Jack Wrench

Item # 1810
In stock, ready to ship!

$32.50

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Quantity: 20

Product Details

No more painful arm contortions when working through a soundhole! A machined slot lets this wrench slide neatly over the jack's wire, solder prongs and nut.

The specially modified deep-socket 9/16" hollow-shaft nut driver solves the problem of tightening an endpin jack's installation nut inside a guitar.


Ratings & Reviews

Endpin Jack Wrench

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  • Based on 6 Reviews
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Endpin Jack wrench

By Andy A from Cincinnati
(Customer's Reviews) Tuesday, January 31, 2012


All I can say is, THAT was EASY!! Took out an old end-pin jack without it, struggled a bit as I could barely get my tools around it. When I ordered the new jack, I ordered the wrench. Installing the new jack was a breeze thanks to the wrench! If you don't have one, GET ONE!! Life should always be that easy!

Works like it said it would

By Mike S. from Phoenix, AZ
(Customer's Reviews) Wednesday, September 14, 2011


After having my wife shove her hand into the sound hole of my Martin D-1E, I decided to look for a solution that I could use. My first stop was StewMac and found precisely what I was looking for. Works like a charm, and it was long enough after my big paw was gently inserted into the sound hole.

Great Tool - Try Using Your WebCam!

By Anthony Leighton from Herndon, VA
(Customer's Reviews) Friday, June 24, 2011


After getting this, I still had a heck of a time fitting the thing properly on the jack nut. However, with a webcam and a small flashlight, it was much easier.

Does the job

By Ed McGuirl from Jamestown, RI
(Customer's Reviews) Wednesday, June 22, 2011


Someone gave me a thirty year old Alvirez 12 string with a Barcus-Berry pickup stuck on beneath the saddle. The guitar had pretty much been in the case the entire time. I've been doing minor repairs and setups on electric guitars for a while but decided to tweak this acoustic and if I screwed anything up could afford to take it to a luthier to fix my screw-ups. I put in a Fishman under saddle pup and a new end pin jack. Got the old jack out with a 9/16" deep socket. Realized that wouldn't work for the new jack because of the wires. Simply went to the Stew-Mac site for the answer to the tool problem. Had the end pin jack wrench in my mailbox in two days. One of those tools you just need to have around like a basin wrench for getting to faucet nuts underneath a sink. You won't need it that often, but when you do, it's really the only tool that makes sense!

Endpin Wrench

By Slash671 from Guam
(Customer's Reviews) Sunday, March 27, 2011


Used this to repair a loose endpin on a Martin Acoustic...perfect fit! No more Kung Fu grips for me!

Nice idea, but...

By Dr Ric from UK
(Customer's Reviews) Sunday, September 19, 2010


I bought this to tighten the endpin jack of my favorite acoustic, but with a smaller than dread soundhole [and bigger than piano player fingers] I couldn't get anywhere near the nut! I am sure that for an experienced luthier or guitar tech, things would be very different but, before you spend your money, make sure the wrench is long enough for your guitar and your hands are small enough to get it there!



Shown on page 27 of our latest catalog.