Set with synthetic core and E-string stainless steel, with strings E I, A II, D III, G IV. The ball ends are made of titanal and are removable. The Thomastik Vision Titanium strings can be used by orchestra players as well as by chamber music players. The strings have been developed to replace gut strings and can be mixed and matched with synthetic core strings and pure gut strings. The string surface is treated in a special way. Thomastik no. ViT100o (incl. ViT01o, ViT02o, ViT03o, ViT04o).