Superflexible are an improved version of "old Superflexible", once the most popular strings among professionals, known as "Blue Thomastik". David Oistrakh - the king of the violin - played on Superflexible!
Supersoft!
Superdurable!
Super-in-tune!
E - rope core, aluminum wound
A, D, G - rope core, chrome wound
Gauge: medium