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🎸 Tune like a pro, adjust with confidence!
The MusicNomad Premium Truss Rod Wrench (5mm) is a precision tool designed for most Martin guitars, featuring a durable steel build and an ergonomic handle for enhanced control. Its laser-etched size marking ensures quick identification, while its compact design fits conveniently in your guitar case. Trusted by thousands with a 4.8-star rating, it’s the essential upgrade for serious guitarists seeking perfect string relief and hassle-free maintenance.













| Best Sellers Rank | #2,097 in Musical Instruments ( See Top 100 in Musical Instruments ) #29 in Guitar Tools |
| Customer Reviews | 4.8 out of 5 stars 1,329 Reviews |
J**S
Perfect Size for Martin guitar. Good value!
Works as it Should! Martin sent a hex key with Dreadnaught Series guitar but that key was too short to get the job done. Truss Rod wrench went deep enough into the hole to make a solid and firm contact with the female hex nut , it was a Happy ending! The strings are in perfect relief! I am very satisfied with the quality of the wrench. It fits perfectly in the storage compartment of the Guitar case without interfering with other items. Good value, perfect size.
C**R
Very nice and highly functional
The most common of the hex-style truss rod seatings are 4mm and 5mm. These are nice tools and are much more easier to use than the typical short-handled allen wrench that ships with most new guitars. MusicNomad seems to be attempting to simplify the DIY process with many of their new tools. Their efforts are much appreciated. I purchased both the 4mm and the 5mm.
D**A
Good!
This one fits my Martin truss rod. Well made, accurate size and length for access. This brand produces some quality tools at a good price point.
R**.
Perfect For Martin Truss Rods
I bought this to fit my Martin D-10 Road Series guitar, it worked perfectly.
A**T
It worked on Martin x series special
This is the perfect tool to adjust a Martin truss rod, I had so buzzing on the first few frets and it was driving me nuts, all it took was 1/4 turn and now thd buzzing is gone and it sounds good.
S**C
Works great as intended.
It's the right tool for the job if you want to make adjustments to the trussrod and your guitar needs a 5mm wrench. There are plenty videos from the manufacturer and others on how to use this, so be sure to check those out. Small increments are the trick. Tip: before inserting this through your sound hole, cover the edge facing the bridge/saddle with a folded cloth (like an old t-shirt) to prevent any damage. In one of the videos they warn about this, but don't suggest this simple solution.
S**N
A little smaller than anticipated
Perfect tool, for sure, just the right size, (though i thought it would be bigger). Having the handle makes it very comfortable to use versus a normal 5mm L shaped Allen Wrench.
B**L
Works great!
Works great! It's a perfect fit. The handle is comfortable even when applying a lot of force. So far it seems to be unbendable. I recommend this wrench!
シ**ン
マーチン専用のレンチ
マーチンのトラスロッドは一般のレンチでは届かないため、購入。 若干順反りだったのを矯正しました。弦高も下がっていうことなし。
G**N
the right tool for the right job. thanks.
this tool works well. just what was needed.
S**Z
Herramienta adecuada.
Es una herramienta muy práctica para mi Martin DSS17. Buen material y la medida adecuada.
N**A
Cumple con lo que promete
Siendo dueño de dos guitarras Martin, y teniendo un problema de ajuste del alma de una de ellas, adquirí esta herramienta que no hace ni más ni menos que lo que promete. Es cómoda, llega bien al tornillo del alma, y ajusta de forma perfecta. Vamos, como debe ser. Nada de lo que quejarse.
C**A
A chave que eu precisava!
A metida é perfeita para um Little Martin. O tensor fica bem ao fundo de um buraco que uma chave allen curta não alcança. Chave essencial caso você mesmo queira ajustar o tensor sem ter que levar o violão em um Luthier.
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