ITEM NAME:Guitar Truss Rod Two Way Adjustment 10mm Wide Acoustic Electric Guitar Tool Description: Round head double bar steel core acoustic electric guitar neck adjustment two way adjustment rod guitar accessories. 100% special steel core, the rod head uses 2 pure copper fixing blocks, and the wear resistance of copper is much better. Rotating the core head, the two steel bars in the middle will be transported at the same time as the rotation axis, so that the double steel bars will change with the square concave variation or the reverse convex variation. Because the double bars change at the same time, the effect and efficiency are higher. Specification: Length: approx. 365mm/ 14.37inch Wide: approx. 10mm/ 0.39inch 4mm Wrench Package Includes: 1 x Truss Rod Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement. SKU: FUZ0026307378014884.1 x Truss Rod. Wide: approx. 100% special steel core, the rod head uses 2 pure copper fixing blocks, and the wear resistance of copper is much better. Length: approx.