--- product_id: 134684015 title: "5mm Truss Rod Wrench, Allen Wrench Tool Ball End for Martin Acoustic Guitar Truss Rod Adjustment And Deep or Narrow Truss Adjustment." brand: "vencetmat" price: "41.80 DT" currency: TND in_stock: true reviews_count: 13 category: "Vencetmat" url: https://www.desertcart.tn/products/134684015-5mm-truss-rod-wrench-allen-wrench-tool-ball-end-martin store_origin: TN region: Tunisia --- # 125mm length for deep reach 5mm precision hex size Carbon steel durability 5mm Truss Rod Wrench, Allen Wrench Tool Ball End for Martin Acoustic Guitar Truss Rod Adjustment And Deep or Narrow Truss Adjustment. **Brand:** vencetmat **Price:** 41.80 DT **Availability:** ✅ In Stock ## Summary > 🎸 Tune Like a Pro, Adjust with Confidence! ## Quick Answers - **What is this?** 5mm Truss Rod Wrench, Allen Wrench Tool Ball End for Martin Acoustic Guitar Truss Rod Adjustment And Deep or Narrow Truss Adjustment. by vencetmat - **How much does it cost?** 41.80 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/134684015-5mm-truss-rod-wrench-allen-wrench-tool-ball-end-martin) ## Best For - vencetmat enthusiasts ## Why This Product - Trusted vencetmat brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Deep Reach Design:** Extended 125mm length easily accesses deep or narrow truss rod adjustment points on acoustic and electric guitars. - • **Built to Last with Carbon Steel:** Crafted from high-grade carbon steel for superior strength and wear resistance over time. - • **Precision Fit for Martin & More:** Specifically engineered 5mm hex size ensures perfect truss rod engagement without damage. - • **Essential Tool for Every Guitarist:** Compact, lightweight, and indispensable for maintaining optimal neck relief and playability. - • **Dual L-Shape for Versatile Adjustment:** Two-way L-shaped wrench design offers ergonomic control for clockwise and counterclockwise tuning. ## Overview The Vencetmat 5mm Truss Rod Wrench is a precision-engineered, carbon steel tool designed for deep and narrow truss rod adjustments on Martin and other acoustic, electric guitars, and basses. Its durable construction and extended length provide reliable, damage-free tuning, making it an essential accessory for serious guitarists who demand perfect neck alignment and playability. ## Description What is the most important thing to attention to when buying a wrench? 1.First of all, it must be a very accurate size, non-standard size will bring irreparable damage to the adjusting screw. 2.Secondly, it must be strong and can be used for a long time. Inferior spanners can only be used for a limited times. 3.It should have a beautiful appearance. For a tool, function is the most important, but appearance will reflect the technology quality of the manufacturing. Yes, all the thing can be found in our spanner: Precise. Sturdy. Beautiful. A wrench is not worth a penny for an expensive martin guitar. Even so, you can't find the wrench in the original martin guitar's package. Maybe martin company is confident in its own guitars, or they don't recommend that players adjust their guitar neck. Anyway, it's very necessary to have this accessory for every martin players. When you don't like the guitar handle some day, it can help you accomplish something. In short, you won't regret own it. Martin guitars adjusting hole is deeper than the general guitars.so when inserting a wrench, it needs to be tried many times to fit properly with the screw hole. After loosening the strings, inserting a wrench, clockwise adjusting can make the strings distance lower and counterclockwise adjusting can make reverse. Normally, the strings distance of 12th fret reach about less than 3mm is right. Features: - This hexagonal wrench can be used to adjusted the guitar neck straight. - Fitted for Martin guitar and specialized to the adjusting. Specification: Hex Size : 5mm/0.2" Overall Size : 125 x 75mm / 4.9" x 2.95" (L*W) Package content: 1 x 5mm Hexagonal Wrench Review: Work well-be sure to get the correct size. - Most guitar necks eventually need a truss rod adjustment at some point to ensure good intonation and playability, and this is done with a truss rod wrench. The 4mm wrench worked on my Telecaster and my Alvarez acoustic. The longer length of the wrenches makes them much easier to use for adjusting guitar truss rods. Be sure to check your guitar specs for the correct size of your truss rod wrench, as it is very important that they match. If you are a guitar player, it is important to have the necessary tools handy to keep your guitar sounding and playing its best. Though you may only need to adjust your guitar's truss rod once a year, or perhaps even less depending upon your circumstances, these wrenches are inexpensive and take up little space, and you will be thankful to have them when they are needed. Review: Works as expected - Seems well made, does the job. Works for many brands of guitar - mine's an Alvarez. ## Features - For martin or other guitar which couldn't reach it with a regular hex wrench truss rod adjustment. - Two way L-shape truss rod adjustment tool. - Made of carbon steel, durable and highly wear-resistant. - Set for most kinds of acoustic guitar, electric guitar and bass. - For locking hexagonal screws on the bridge, adjusting the guitar neck. ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | Vencetmat | | Color | 5mm(black) | | Finish Types | Powder Coated | | Head Style | Hex | | Item Length | 12.5 centimeters | | Item Package Quantity | 1 | | Item Weight | 0.05 kg | | Material | Carbon Steel | | Material Type | Carbon Steel | | Measurement Standard | Metric | | Operation Mode | Electric | | Package Quantity | 1 | ## Product Details - **Color:** 5mm(black) - **Brand:** Vencetmat - **Material:** Carbon Steel - **Item Length:** 125 Millimeters - **Item Weight:** 0.05 Kilograms ## Images ![5mm Truss Rod Wrench, Allen Wrench Tool Ball End for Martin Acoustic Guitar Truss Rod Adjustment And Deep or Narrow Truss Adjustment. - Image 1](https://m.media-amazon.com/images/I/512APqULewL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Work well-be sure to get the correct size. *by B***. on May 17, 2026* Most guitar necks eventually need a truss rod adjustment at some point to ensure good intonation and playability, and this is done with a truss rod wrench. The 4mm wrench worked on my Telecaster and my Alvarez acoustic. The longer length of the wrenches makes them much easier to use for adjusting guitar truss rods. Be sure to check your guitar specs for the correct size of your truss rod wrench, as it is very important that they match. If you are a guitar player, it is important to have the necessary tools handy to keep your guitar sounding and playing its best. Though you may only need to adjust your guitar's truss rod once a year, or perhaps even less depending upon your circumstances, these wrenches are inexpensive and take up little space, and you will be thankful to have them when they are needed. ### ⭐⭐⭐⭐⭐ Works as expected *by A***D on February 1, 2026* Seems well made, does the job. Works for many brands of guitar - mine's an Alvarez. ### ⭐⭐⭐⭐⭐ It fit my Martin D15m *by D***T on July 7, 2026* It worked perfect for my Martin d15m. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/134684015-5mm-truss-rod-wrench-allen-wrench-tool-ball-end-martin](https://www.desertcart.tn/products/134684015-5mm-truss-rod-wrench-allen-wrench-tool-ball-end-martin) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-09-10*