Acoustic guitar truss rod need adjustment just like electrics, but manufacturers sure don’t make it easy. Access is typically through the sound hole, wrench allow 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. .5mm – Fits primarily Martin
Features:
- Precision Ball-End Tip
- Oversized Handle
- Professional-Grade
- 5mm (Primarily for Martin Guitars)
