Set / Violin 4/4 e” Steel, ball end a’ d’ g Core made from synthetic fibres a’ Hydronalium wound d’ Hydronalium wound g Stainless Steel-Pure Silver wound The Warchal BRILLIANT advanced synthetic core set is intended for players who seek the most projecting sound. It also offers quick tuning stability. Offer concert-hall projection, luxurious and rich sound as well as superior durability and responsiveness. Two D strings are available: D-Hydronalium which provides a projecting sound with plenty of attack when needed, sounds brighter and more powerful, ideal for enhancing the sonority of the middle register. (D-Silver provides a warmer and mellower sound). Synthetic core strings need about three to four days to settle in before achieving full tone quality.Warchal handmade violin strings are of highest quality. They offer a rich variety of timbres and adjust perfectly to the sound characteristics of your musical instrument. The synthetic core strings (comprised of synthetic fibers), are, referring to the sound, comparable with high-quality gut strings, and are resistant to changes of temperature or humidity, with an excellent tuning stability.