2pcs 420mm Guitar Truss Rod Steel A3 Truss Rod with Wrench 2-way Action Rod for Electric Guitar Musical Instrument Repair Tools blue

These strong, 2-way adjustable rods correct both upbow and backbow.

This ingenious dual-rod design, total length is 420mm rod for making or repairs.

2-Way Truss Rod is great for thinner necks that need a shallow truss rod depth.