Though Taylor generally recommend that you consult an experienced repair technician for truss rod adjustments, if you're comfortable with making the adjustment yourself, a Taylor truss rod wrench is a handy tool for tweaking the amount of relief in your the neck of your guitar. Use it to adjust for different string gauges or to dial in the right feel for your playing style. Features a ¼" nut driver on one end and a handy Phillips screwdriver on the other.