SPECIAL ORDER 717 - Viola D'Amore Set 4/4 (MSRP $147.99) - (Dealer $103.59) THE ESSENCE OF SUPERFLEXIBLE Superflexible strings feature unsurpassed durability and tuning stability making this series a dependable all-around string. Replacing the solid core with a rope core, composed of a braided cable-type structure made of steel strands that feature reduced stiffness, increased elasticity have made these strings impressively responsive. BREAKTHROUGH DESIGN Pursuing the perfect sound, Thomastik-Infeld starts with steel and nylon as core materials for their strings. The highly qualified technicians then wind and check every string by hand in order to insure quality and perfect tone. Infeld and his staff continually pursue the ever changing musical world, applying the evolving preferences in timbre, technique, and playing to their own imagination in pursuit of delivering perfection. SOUND YOU WILL LOVE Thomastik-Infeld Superflexible Strings offer a radiant tone with open fifth purity, tuning stability, middle focus and a warm sound.