C.F. Martin & Co TRUSSROD L-SHAPED 5 MM 2 POSITION ALLEN WRENCH
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Manufacturer Information
Martin Strings
https://www.martinguitar.com
customerservice@martinguitar.com
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Safety manager:
Algam SAS
Email: contact@algam.net
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Simpler, Safer Neck Adjustment
The Martin & Co 5 mm L-shaped truss rod Allen wrench is an essential accessory for performing clean and controlled neck adjustments. Whether you want to correct a bow, optimize an action that is too high, or stabilize your guitar according to the season, this tool helps you work with confidence. Thanks to its L shape and 2 positions, you can easily adapt your grip and access for a more comfortable adjustment on acoustic or electric guitars. A practical choice for the meticulous musician as well as the technician who wants a simple, effective tool always within reach.
Technical specifications
| Category | tooling | Instrument | acoustic |
| Type | Allen wrench for truss rod | Size | 5 mm |
| Brand | Martin & Co | Positions | 2 positions |
| Design | L-shaped | Use | neck curvature adjustment (truss rod) |
Questions frequently asked
What size Allen wrench is needed for this Martin & Co truss rod wrench?
The wrench features a 5 mm Allen tip, designed for adjusting the neck relief.
Is the Martin & Co 5 mm Allen wrench suitable for an acoustic guitar?
This tool is intended for acoustic instruments. It is used for adjusting the neck truss rod.
What do the 2 positions of the L-shaped wrench allow?
The L-shape offers 2 grip positions. The access to adjustment and the leverage can thus be adapted according to the neck configuration.
Can this 5 mm wrench be used to adjust a too high action?
Adjusting the truss rod can help optimize too high an action or correct fret buzz. The 5 mm wrench acts on the neck relief.
Why use an L-shaped wrench to adjust the truss rod?
Thanks to its L-shape design, this wrench facilitates grip when accessing the adjustment rod. It is made for controlled neck adjustments.



