Skip to product information
  • Image 1 of Martin 4mm 2-Way Truss Rod Wrench, for Select Models - SKU# MTRW15 : Product Type Accessories & Parts : Elderly Instruments
    "L"-shaped 4mm allen wrench with ball end.  4-3/4" long to access Martin's deeply recessed truss rod nut.

    Fits these models only:
    • DSS & OMSS models
    • Modern Deluxe models
    • SC13E
    • See MTRW for Martin standard 5mm wrench
    NOTE: Damage done by misusing the truss rod wrench is not covered by the Martin warranty.
    The exact appearance of this item may vary.
    More Details
1 of 1

More Details

MTRW15:  Martin #18TOOL15
  • 4 mm truss rod wrench fits the listed models only.  
  • See MTRW2 for Martin standard 5mm truss rod wrench.

Martin 4mm 2-Way Truss Rod Wrench, for Select Models

USA Only

SKU: MTRW15

Regular price
$7.25 USD
Regular price
Sale price
$7.25 USD
"L"-shaped 4mm allen wrench with ball end.  4-3/4" long to access Martin's deeply recessed truss rod nut.

Fits these models only:
  • DSS & OMSS models
  • Modern Deluxe models
  • SC13E
  • See MTRW for Martin standard 5mm wrench
NOTE: Damage done by misusing the truss rod wrench is not covered by the Martin warranty.
More Details

More Details

MTRW15:  Martin #18TOOL15
  • 4 mm truss rod wrench fits the listed models only.  
  • See MTRW2 for Martin standard 5mm truss rod wrench.