If you have a newer martin with the double action truss rod that is the tool you want.
Martin truss rod adjustment tool.
With a little experience you can adjust the relief on a martin acoustic guitar.
The truss rod is used to counteract the tension of the strings on martin acoustics.
It is adjustable in either direction and can drastically change the way a guitar plays.
The older 1 way rod is just past the 1 cross brace.
4 9 out of 5 stars 93 5 99 5.
Neck wrench specialized to the adjusting hole of the guitar neck relatively deep.
Just be careful to not overdo it and damage the neck.
Metal guitar truss rod wrench for martin and most acoustic guitar.
That one sits right at the edge of the dovetail so it takes a 4 5 long wrench to reach it.
This truss rod wrench can be used on the following models dss and omss models.
4mm ball end 5mm ball end option.
Vencetmat 5mm truss rod wrench allen wrench tool ball end for martin acoustic guitar truss rod adjustment and deep or narrow truss adjustment.
Use the martin guitar allen truss rod wrench to adjust your guitar s neck to achieve the action you desire.
Neck wrench specialized to the adjusting hole of the guitar neck relatively deep.
The single action rods are much closer to the soundhole.
Our allen wrench will help you adjust your guitar s neck to achieve the action you desire.
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Adjust the guitar neck straight suitable for martin guitar regardless of the types.
Need to change the action of your favorite martin.
Two way l shape truss rod adjusment.
Martin switched to the 2 way adjustable truss rod in 2006.
You can tell it is a double action rod if the adjustment bolt is well recessed into the neck.