Includes a 4 1 2 bent leg.
Martin guitar truss rod adjustment tool.
That one sits right at the edge of the dovetail so it takes a 4 5 long wrench to reach it.
What year is your guitar.
Vencetmat 4mm 5mm truss rod wrench allen wrench tool ball end for martin acoustic guitar truss rod adjustment and deep or narrow truss adjustment.
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.
Martin switched to the 2 way adjustable truss rod in 2006.
Use the martin guitar allen truss rod wrench to adjust your guitar s neck to achieve the action you desire.