Pirastro Viola Evah Pirazzi SetThis set comes with A Steel Chrome Steel Removable Ball End, D Synthetic Silver, G Synthetic Silver, C Synthetic Tungsten Silver. All ball end Evah Pirazzi strings have a core made from a modern synthetic multifilament fibre, offering outstanding playability and exceptional response at any of the dynamic levels. Evah Pirazzis have a complex sound, rich with overtones based on a brilliant core sound