This set contains: E-Tinned high carbon steel no winding, Ball End, A-Zyex Synthetic/Aluminium, D-Zyex Synthetic/Aluminium, G-Zyex Synthetic/Aluminium.Zyex strings are synthetic core strings offering an extremely warm, rich and rounded sound. They are recommended for brighter instruments in need of extra warmth, and are a particularly popular choice for electric violins. Features: Synthetic core strings. Extremely warm, rich, rounded sound. Stable under drastic climatic conditions. Recommended for brighter instruments in need of extra warmth. Great projection and balance across the strings. Packaged in uniquely-designed sealed pouches providing unparalleled protection from the elements that cause corrosion. Broad tonal palette and excellent bow response. Suitable for intermediate and advancing players.