Göldo WS44G Trussrod, Truss Rod, Dimensions: 440 x 6 x 9, Two parallel rods, one with a left-hand thread, the other with a right-hand thread, that warp when the screws are tightened, Works perfectly in both directions, Endpieces with hexagon socket, Width: 6 mm, Depth: 9 mm, Weight: 132 g