Aquila USA 115U Low G Tenor Uke Set - All Lava Nylgut h thousand of people all around the world. The Lava Series strings maintain thesame identical mechanical and sound properties of Aquila's famous white-pearlSupernylgut ukulele strings. Enjoy it! Set / Tenor Ukulele 4-string g c' e' a' - Low G Tuning, Key of CG-stringis tuned 1 octave lower, andwoundC/E/A made of SUPER NYLGUT,grey-black colour withmother-of-pearl shimmerAquilaLAVA SERIES for ukulele - A grey-black string coloured with a touch of mother-of-pearl inspired by volcanic rocks. Aquila's Lava Series, naturally inspired by volcano, an hawaiian symbol of new life, is the respectful homage to the hawaiian people who made the ukulele worldwide famous and share their happiness wit