The Martin truss rod wrench features premium materials for professional-grade instrument setup. Its ergonomic design ensures proper truss rod adjustment on all your prized instruments.
Precision ball end tip for easy fit
Ergonomic handle
Available in 4mm as well
5mm, Item # 18TOOL31
The 5mm truss rod wrench can be used on the all models except:
Modern Deluxe Series or the
SC models