It’s time to re-tune your tone. These newly released Universals Balanced Tension sets bring the perfect combination of feel and tone. Designed to deliver consistent tension across the whole set while maintaining the tuning stability that you have come to expect with S.I.T. Strings. The electric guitar set SU101 was developed with the help of artist Paul Allen. The bass sets were developed originally with the help of Mayones Guitars and Basses in Poland for OEM use on their instruments.