Detail 01
Ultrathin polymer coating
It provides a smooth playing surface and helps prevent oxidation and corrosion.

Independent shopping perspective
D'Addario XS Nickel 9.5-44 strings combine nickel-plated steel wrap wire with an ultrathin polymer coating over NY Steel hexagonal cores. Fusion Twist construction is designed to hold the wrap more securely on the core for tuning stability and longer life. The coating gives the strings a smooth surface while helping guard against oxidation and corrosion, without the product's described loss of free vibration. The result is positioned around harmonic clarity, definition, sustain, and extended service life.


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
It provides a smooth playing surface and helps prevent oxidation and corrosion.
Detail 02
It is paired with nickel-plated steel wrap wire in each XS Nickel string.
Detail 03
The wrap process is designed for a tighter grip on the core and improved tuning stability.
Final check

Product questions
Straight answers to the questions shoppers most often ask about this product.
Yes. They are electric guitar strings.
Yes. They use an ultrathin polymer coating.
It helps prevent oxidation and corrosion while providing a smooth playing surface.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.