TUOREN Guitar Truss Rod Wrench Set with L Wrench 5-Pack

Easly tightening or loosening the trus rod of your guitar (Not All) Do your adjustment a little at a time with the guitar tuned up to pitch Counter-clockwise on the nut always gives you some relief. Clockwise emoves relief Truss Rod Box Wrench The 7MM model is suitable for Taylor Guitar. 8mm: For Gibson/Prs/Esp electric guitar Please choose according to your actual size. Two way L-shape truss rod adjusment For USA Martin acoustic guitar, If use it for other brands of guitars. Please confirm the size of truss rod.