The Martin truss rod wrench is a must-have for luthiers and guitarists who demand precise setups. With its ergonomic handle and precision ball end, this thoughtfully designed tool lets you make micro-adjustments with ease. The Martin wrench features durable steel construction to withstand years of regular use. Thanks to its ball-shaped tip, it effortlessly fits 4mm and 5mm truss rods found on most acoustic guitars, basses and other fretted instruments. This gives you the versatility to fine-tune the relief on all your prized instruments. The ergonomic handle ensures you can make smooth, comfortable adjustments during routine maintenance or major setups. For over 185 years, Martin has been synonymous with expert craftsmanship and top-tier quality. Bring that same attention to detail to your instrument care with the Martin truss rod wrench.

Dial in Relief With a Precision Ball End

With its precisely machined ball end, the Martin truss rod wrench lets you find the sweet spot for optimal string height and neck relief. The smooth, rounded tip glides into 4mm or 5mm truss rod nuts, giving you a perfect fit. Turn the wrench clockwise to increase neck relief or counterclockwise to flatten it out. The steel construction and fine-tuned shape provide the control you need to make micro-adjustments during routine maintenance. Bring out the best in your guitar's playability by setting the ideal relief with the Martin's ball end wrench.

For flawless instrument setups and maintenance, trust the Martin truss rod wrench. Its smart design provides the precision, comfort and durability that musicians and technicians need. Bring out the full potential in your instruments with smooth, controlled truss rod adjustments.