Savarez 730M Corelli New Crystal Viola Set - Medium TensionThe innovation consists in the discovery of a very new polymer treated in a way it has outstanding never known sounding characteristics. With a specific combination of metals it puts the strings at the higher level of stringsquality. Consequently they are dedicated to professionals and soloits and are used to play the solo part of violin concertos or the best pieces of chamber music, musicians can play in great confidence and feel secure.