Wrench - Cruz Tools, Soundhole Truss Rod

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Wrench - Cruz Tools, Soundhole Truss Rod

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Cruz Tools GrooveTech soundhole truss rod wrench for acoustic guitars. 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. These 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.

  • Allows easy adjustment of truss rods without loosening strings
  • Ball-end tip for easy fit
  • Large handle provides confident grip
  • Pro-grade
RoHS Compliant
Item ID:
CruzTools, Groovetech
Part Numbers
SizeOur Part NumberUPC/EAN
4 mmS-TGTAW4857128005048
5 mmS-TGTAW5857128005055
Product Measurements
Wrench Size4 mm version4 mm
5 mm version5 mm
Packaging Information
Packaging Dimensions4 mm version8.25 in. × 5 in. × 1.74 in.
5 mm version8.25 in. × 5 in. × 1.174 in.
Weight (Packaging)4 mm version0.153 lbs.
5 mm version0.187 lbs.

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Asked by Anonymous on October 13th, 2016. 1 person subscribed to this question
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Matt H.
October 13th, 2016
Hi, the first segment that extends from the handle is 3 1/4". The second segment is 4 1/2".
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