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Old 09-10-2021, 10:27 PM
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Mbroady Mbroady is offline
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Join Date: May 2008
Location: Asheville via NYC
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Martin uses a 5 MM Allen wrench.
Here’s e a link to what you need. The truss rod sits at least an inch, if not more within the hole, hence why the wrench has a long reach

https://www.sweet-water.com/store/de...E&gclsrc=aw.ds
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