Detail 01
Precision ball end
The rounded tip is described as fitting 4 mm and 5 mm truss rods.
Product detailSKU #1500000419912
MartinTruss Rod Wrench Black 5 mm
Independent shopping perspective
The Korena take
For setup and maintenance work, this Martin truss rod wrench combines a steel tool body with an ergonomic handle and precision ball end. The rounded tip is described as fitting 4 mm and 5 mm truss rods, giving you a tool for controlled relief adjustments on compatible acoustic guitars, basses, and other fretted instruments. Its focus is fine adjustment rather than broad repair work, so it suits players and technicians handling routine setup changes.
Strong match
Who this is for
- Making controlled neck-relief adjustments during routine setup and maintenance.
- Working on compatible 4 mm or 5 mm truss rods in acoustic guitars, basses, and other fretted instruments.
What matters in use
The specifications, translated
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 02
Ergonomic handle
The handle is designed for comfortable, smooth adjustments.
Detail 03
Steel construction
The wrench is made from steel.
Final check
Know before you order
- 01Verify that the truss rod you intend to adjust is a compatible 4 mm or 5 mm size.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01What truss rod sizes does the ball end fit?
The ball-shaped tip is described as fitting 4 mm and 5 mm truss rods.
02What adjustments is this wrench intended for?
It is designed for controlled micro-adjustments to neck relief during setup and maintenance.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
1 detailsBody & build
- Color
- Black
