Detail 01
Nanofilm shielding
An imperceptible microfilm shields the strings and is intended to provide exceptional longevity.

Independent shopping perspective
Markbass Longevo 9–42 is a stainless-steel electric-guitar string set with an imperceptible protective microfilm. That shielding is intended to provide exceptional longevity while retaining the strings’ stated elastic properties, intonation and reliability. Choose this version when you want the 9–42 gauge named in the title and value the series’ emphasis on a shielded string design.

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
An imperceptible microfilm shields the strings and is intended to provide exceptional longevity.
Detail 02
This SKU is the 9–42 Longevo stainless-steel electric-guitar set.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
The strings are shielded with an imperceptible microfilm.
It is described as providing exceptional longevity while retaining elastic properties, intonation and reliability.