D'Addario H310 Helicore Violin strings will reward you with supreme tone and expressive playability. They're crafted with a multi-stranded steel core, giving them a delightfully responsive feel under your fingers along with an articulate, warm sound. Helicore Violin strings are known for their fast bow response, encouraging expressive and dynamic playing technique. And with their outstanding pitch stability, JB Music is sure you'll love performing with D'Addario H310 Helicore Violin strings.