Detail 01
Custom Medium, 11.5-40
This pack is the Custom Medium set with gauges ranging from 11.5 to 40.

Independent shopping perspective
D'Addario XT Phosphor Bronze mandolin strings pair phosphor bronze with corrosion-resistance treatment applied to every string in the set. The treatment is designed to retain the natural tone and feel associated with uncoated strings. This pack is the Custom Medium option, with an 11.5-40 gauge range. Choose it when that specified gauge range is what you need for your mandolin setup and you want the XT treatment across the full set.

Strong match
Consider the trade-offs
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 pack is the Custom Medium set with gauges ranging from 11.5 to 40.
Detail 02
The treatment is applied across the entire set.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
It is a Custom Medium mandolin set with an 11.5-40 gauge range.
Yes. Every string in the set receives the advanced corrosion-resistance treatment.
It is designed to preserve the natural tone and feel of uncoated strings.