D'Addario Violin Pro-Arte 4/4 Size Medium (Aluminum E), J56W-M

"A synthetic perlon core enable D'Addario's Pro Arté strings to offer the sound and feel of traditional gut strings without the problems associated with delicate gut cores. The finest aluminum, silver and tungsten alloys are precision wound and polished on D'Addario's state-of-the-art computer controlled winding machines.

"Carefully hand finished and hand inspected, this is a string for the professional or serious amateur. Available for violin, viola and cello (fractional sizes). "