Pirastro Violino Synthetic Core Violin Strings 4/4 Set VIO417021Violino The very warm sounding synthetic core string modern synthetic core strings warm, smooth and round sound soft and gentle touch excellent response even with low bow pressure low string tension Violino Violin Strings Features Violino strings have a core made from a modern synthetic multifilament fibre. warm, smooth and round sound It is especially easy to explore the subtle differences of tone colors with these strings. low string tension