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GrooveTech Sound Hole Truss Rod Screwdrivers


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GrooveTech by CruzTOOLS -Acoustic Guitar Sound Hole Truss Rod Screwdrivers

4mm or 5mm

Acoustic guitar truss rods need adjustment just like electrics, but manufacturers don’t make it easy. Access is typically through the sound hole, sometimes through a brace to an unseen nuts. Our wrenches allow quick access to nuts on most makes and models of acoustics, with a precision ball-end tip for easy fit, extra length on both segments of the blade, and an oversized handle for confidence when making adjustments. Professional-grade.


You can view the rest of the GrooveTech tools & tool kits HERE

4mm – Fits most acoustic guitars

5mm – Mainly fits Martin acoustic guitars

Additional information


4mm, 5mm

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