Acoustic guitar truss rods need adjustment just like electrics, but manufacturers sure 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. GTAW4 (4mm - fits most brands); GTAW5 (5mm - primarily Martin)
GrooveTech GTAW4 Sound Hole Truss Rod Wrench, 4mm
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