Evah Pirazzi Gold strings have a core made from a modern synthetic multifilament fibre. brilliant, golden tone full-bodied and big sound from the very bottom to the top of the register a wide range of sound colors The great dynamic range allows skilled players to explore confidently both the finest nuances of quiet passages and create powerful sonorities when playing close to the finger-board or using a strong bow arm. instant response throughout the complete dynamic range very short break-in time, even shorter than Evah Pirazzi and Obligato excellent tuning stability absolutely insensitive to variations in temperature and humidity Gold G-string: This G-string is wound with a pure gold wire. It offers a round and full tone. NEW Stainless Steel E-string: It has an excellent response and generates a refined and smooth sound right to the very top of the register. Full Size Only Medium Tension Only Available Options: E- String: Loop End Ball End G-String: Gold G -It offers a round and full tone. Silver G: very dynamic sound which emphasizes a more brilliant tone