At the highest level of the stringmaker's art, Thomastik Versum cello strings were designed with no compromises, for the world's greatest cellists. Powerful, rich, and seamless, for the most demanding repertoire. The A and D have solid steel core with multi-alloy winding, and are designed for perfect physical and tonal balance with the C and G strings.

For the C& G strings: unlike common steel strings, Spirocore's flexible core enables stable intonation and unerring focus. They shine with their powerful round sound, saturated depth, excellent brilliance and perfect fifths. With their high-performance capacity, impressive projection and quick response you will find them indispensable. Their outstanding durability is unparalleled and world-famous.