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Martin Truss Rod Wrench 4mm
UK Delivery - From £2.99
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Want to Click and Collect or try items at our Guildford Store?
The store is open 10am - 6pm Monday to Saturday and 11am - 5pm Sunday and bank holidays.
The stock information shows the quantity of units that are available to purchase at the Guildford store and the quantity of units that are available at our off-site Guildford warehouse. These stock levels are updated in real time.
Our Click and Collect service is available at our Guildford store from 10am - 6pm Monday to Saturday, and 11am - 5pm on Sunday. You can either choose Click and Collect as your delivery option online or, during store opening hours, call our sales team on 01483 456777 for assistance with placing your order.
If you have placed your order online, you will receive a confirmation email of your order and a separate follow-up text or email to confirm when your item is ready for collection.
Please do not come to the store before you have received the follow-up message, as your order may not yet be ready at the store.
If the only available stock is in our off-site warehouse it can be brought to the store location for you to try - you just need to contact the store within opening hours. Please note any requests received after 3.30pm will not arrive at the store until the following morning.
Please be aware that stock availability can change quickly both online and in-store, so we would always recommend placing your Click and Collect order as soon as possible to reserve your item.
SKU: CFM-MER-18TOOL32
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Product Description
The Martin Truss Rod Wrench 4mm is a compact, purpose built tool for adjusting the amount of relief in your guitar neck. Whether you are changing string gauge or simply fine tuning your set up, this wrench lets you dial in the perfect feel for your playing style with confidence and precision.
Neck relief has a huge impact on how your guitar plays. Too much relief and your action feels high and unresponsive, too little and you risk fret buzz. With the correct 4mm fit for compatible Martin truss rods, this wrench helps you make controlled, incremental adjustments so you can keep your instrument playing at its best between full set ups.
Ideal for players who like to experiment with different tunings or string gauges, the Martin Truss Rod Wrench 4mm makes it easy to compensate for the extra tension of heavier strings or the looser feel of lighter sets. Instead of living with a compromised set up, you can quickly bring the neck back into the sweet spot that suits your touch.
Compact enough to live in your case or gig bag, this is a simple but essential addition to any Martin owner’s toolkit. A few careful turns with the correct wrench can transform the feel of your guitar, helping you play more comfortably and more confidently every time you pick it up.
Fine Tune Your Neck Relief
Relief is the subtle forward curve in your guitar neck that lets the strings vibrate cleanly. The Martin Truss Rod Wrench 4mm gives you direct, accurate control over this, so you can eliminate unwanted buzz, tame a high feeling action and keep your guitar playing smoothly across the entire fretboard.
Universal 4mm Fit for Compatible Martins
Designed with a 4mm end, this wrench is made for compatible Martin truss rods that accept this size. Having the correct fit helps prevent rounding or damaging the truss rod nut, giving you peace of mind every time you make an adjustment.
Perfect for String Gauge Changes
Switching between lighter and heavier strings changes the tension on your neck. This wrench lets you quickly compensate for those changes, so your guitar stays comfortable to play and responds the way you expect, regardless of the gauge you prefer.
Dial In Your Ideal Playing Feel
Every player has a different touch. With the Martin Truss Rod Wrench 4mm you can tailor the neck relief to suit your own style, whether you like a super low, fast feel or a touch more relief for a dynamic, expressive attack.
Features
- Dedicated 4mm Truss Rod Wrench - Sized specifically at 4mm to suit compatible Martin truss rods, helping ensure a secure fit on the adjustment nut and reducing the risk of slipping while you work.
- Control Your Neck Relief - Lets you make small, precise tweaks to neck relief so you can reduce fret buzz, improve playability and keep your guitar feeling consistent across the fretboard.
- Ideal for Different String Gauges - Use the wrench to compensate for the extra pull of heavier strings or the reduced tension of lighter sets, maintaining a comfortable, familiar feel whenever you change gauge.
- Compact and Easy to Keep Handy - Small enough to store with your other essentials, this wrench is ready whenever you need a quick adjustment before rehearsal, recording or a gig.
Specifications
General
- Product: Martin Truss Rod Wrench
- Truss Rod Wrench Size: 4mm
- Application: Adjustment of neck relief on compatible guitars
