The Warchal range use a synthetic core with modern winding materials; Stainless steel, Aluminium, Silver, Silver/Tungsten alloy, aimed at producing a string which combines the richness of tone associated with a gut cored string along with dimensions and physical feel of a modern metal cored string e.g. Larsen. Alternatives: Velvet Com, Evah Pirazzi Gold, Obligato, Corelli New Concept.