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

Independent shopping perspective
D'Addario XS Nickel 09-42 is a coated electric-guitar string set with nickel-plated steel wrap wire around an NY Steel hexagonal core. Its ultrathin polymer coating keeps the surface smooth while helping guard against oxidation and corrosion. The Fusion Twist process tightens the connection between the wrap and core, supporting tuning stability and longer string life. For maintenance or a full restring, this set is specifically the 09-42 gauge option.


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
Provides a smooth playing surface and helps prevent oxidation and corrosion.
Detail 02
The tighter wrap-to-core grip is designed to support tuning stability and string life.
Final check

Product questions
Straight answers to the questions shoppers most often ask about this product.
It is a 09-42 electric guitar string set.
Yes. They use an ultrathin polymer coating that provides a smooth surface and helps prevent oxidation and corrosion.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.