Dunlop DGT03 Uni Wrench
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Information
Information
Manufacturer Information
Jim Dunlop
https://www.jimdunlop.com
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Algam SAS
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The Essential Wrench to Secure Your Hardware
The Jim Dunlop System 65 Uni Wrench DGT03 is the smart tool that advantageously replaces pliers when it comes to neatly tightening jack nuts, potentiometers, or selector switches. Thanks to its precise tooth geometry, it locks effectively onto the nut to achieve a stable adjustment without slipping and minimizes the risk of marks on the instrument's finish.
Whether you are a studio guitarist, backline technician, or touring musician, this universal wrench helps you keep your instrument reliable: connectors that stay put, firm controls, and better-secured mechanical parts. A small accessory, but a real time-saver for maintenance and quick adjustments between songs.
Technical specifications
| Category | tooling | Instrument | Bass, guitar |
| Type | universal wrench for guitar/bass | Jaws | machined teeth for hex and knurled nuts |
| Model | Jim Dunlop DGT03 "Uni Wrench" (System 65) | Profile | thin blade for access under knobs |
| Material | stainless steel | Applications | jack nuts, potentiometers, switches, bridge saddles, tuning machines |
Questions frequently asked
Is the Dunlop DGT03 Uni Wrench compatible with guitar jack nuts?
The DGT03 is designed to tighten jack nuts, potentiometer nuts, and switch nuts on guitars or basses. Its machined teeth fit hex and knurled nuts.
Is it possible to access nuts under potentiometer knobs?
Its thin blade profile allows access under the knobs. This geometry makes it easier to tighten potentiometer nuts without using pliers.
What material is used for this universal wrench?
This System 65 wrench is made of stainless steel.
Can this wrench be used for tuners and bridge saddles?
It is possible to work on bridge saddles and tuners among the indicated applications. The precision-toothed jaws hold the nut during adjustment. The tool aims to limit slipping and marks on the finish.
For which instruments is the Uni Wrench intended?
This model is intended for maintenance of guitars and basses. The referenced model is Jim Dunlop DGT03 "Uni Wrench" from the System 65 range.



