Mark Bass Longevo PhBronze 011-052 Acoustic guitar string set

The LONGEVO PB are based on the same materials and specifications as our phosphor bronze TWINKLE series. But are treated with the LongEvo nanotechnology treatment that creates an imperceptible nanofilm shield to ensure exceptionally long life.

These eco-friendly strings are completely chemical-free, completely ecological and biocompatible to not pollute the environment, while tonal properties, elastic properties and playability remain unaltered.

Even after prolonged use, our LongEvo strings retain their unique and exceptional sound.

Mark Strings are manufactured in Abruzzo (Italy) using the best and selected materials with ultimate quality controls, in the best tradition of high quality production.