Korena
Product detailSKU #1500000419905

MartinTruss Rod Wrench Black 4 mm

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Martin Truss Rod Wrench Black 4 mm

Independent shopping perspective

The Korena take

Martin's black truss-rod wrench is identified as a 4 mm tool, with a steel body, ergonomic handle, and precision ball end. It is made for controlled, small truss-rod adjustments during instrument maintenance and setup work. The rounded tip and comfortable grip focus the tool on making those adjustments more manageable rather than adding unnecessary complexity to the job.

Martin Truss Rod Wrench Black 4 mm product detail
Product studyMartin Truss Rod Wrench Black 4 mm

Strong match

Who this is for

  • Making controlled truss-rod adjustments during routine instrument maintenance and setup work.

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 01

Steel construction

The wrench is built in steel for regular use.

Detail 02

Ergonomic handle

The handle is designed for comfortable adjustment work.

Final check

Know before you order

  1. 01Confirm the truss-rod size your instrument requires: the product title identifies 4 mm, while the description also references 5 mm truss-rod nuts.

Product questions

Before you decide

Straight answers to the questions shoppers most often ask about this product.

01What color is the wrench?

Black.

02What is the wrench made from?

It has steel construction.

03What kind of work is it intended for?

It is intended for truss-rod adjustment during instrument maintenance and setup.

Reference

Full specifications

The complete catalog record, organized around the decisions musicians make when comparing gear.

1 detailsBody & build
Color
Black

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