Need to change the action of your favorite Martin? Our Allen Wrench will help you adjust your guitar’s neck to achieve the action you desire.
This truss rod wrench can be used on the following models
- DSS and OMSS Models
- Modern Deluxe Series
4MM
MADE IN USA

PEARL EXPORT EXX 5-PCS STANDARD DRUM SET JET BLACK
MEINL 14BYZANCE DARK HIHAT
MXR M80 BASS DI+
DADDARIO EPN115 PURE NICKEL
EVANS 10 J1 ETCHED
TAMA DYNA-SYNC SINGLE PEDAL
HOHNER MARINE BAND 1896 E-MAJOR
PROTECTION RACKET 3003CS SNARE CASE
STANFORD NECK ADJUSTMENT ALLEN WRENCH 5MM 