Detail 01
Custom light gauge
This is the custom-light version of the Authentic Acoustic Flexible Core strings.

Independent shopping perspective
Martin Authentic Acoustic Flexible Core Custom Light strings combine a tensile-strength core wire, tin plating, and 92/8 phosphor bronze wrap. The design focuses on a soft feel, flexibility, and control while reducing finger fatigue. In day-to-day playing, that makes the set oriented toward fingerstyle passages and note-bending techniques where comfort and freedom of movement matter. It is the custom-light-gauge option in Martin’s Authentic Acoustic Flexible Core range.

Strong match
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 01
This is the custom-light version of the Authentic Acoustic Flexible Core strings.
Detail 02
Each string uses high-quality 92/8 phosphor bronze wrap wire.
Detail 03
The strings include tin plating as part of their construction.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
It is custom light gauge.
It uses high-quality 92/8 phosphor bronze wrap wire.
They are designed to reduce finger fatigue during complex fingerstyle and note-bending techniques.