Music Nomad 4mm (Martin) Truss Rod Wrench

Features:

• Fits Martin Guitar models DSS, OMSS, Modern Deluxe Series, SC-13E. All other Martin Guitars use 5mm Size.
• This will Work for all Other Acoustic Guitars Brands that Require a 4mm Truss Rod Wrench Size in the Soundhole.
• Ball End Design with Durable Steel Construction and a 4.75? Long Arm for the Most Popular Acoustic Guitars with a 4mm Nut Size.
• Ergonomic Handle for Extra Length, Comfort and Control to Reach your Truss Rod in the Soundhole.
• Laser Etched 4mm Size in the Metal