Use the martin guitar allen truss rod wrench to adjust your guitar s neck to achieve the action you desire.
Martin guitar truss rod adjustment tool.
Find the right truss rod wrench size needed in a database of over 75 guitar and bass brands including fender prs gibson martin ibanez taylor jackson takamine schecter yamaha breedlove and many more.
Includes a 4 1 2 bent leg.
Pagow 4mm 5mm guitar truss rod wrench ball end allen wrench tool for martin acoustic guitar truss rod adjustment for deep or narrow truss adjustment black 5 0 out of 5 stars 1 8 99 8.
What year is your guitar.
Martin switched to the 2 way adjustable truss rod in 2006.
The older 1 way rod is just past the 1 cross brace.