One of the most common and traditional truss rod designs used in A and F-style mandolins. The truss rod is adjustable with a 5/16" socket.
This complete kit includes a 8-3/8" x 3/16" stainless steel truss rod, 5/16" hex brass adjusting nut, washer and anchor lug attached to rod. The rod comes pre-threaded for the adjusting nut. Installation instructions are also included.