Helicore Violin A,G StringsMedium Tension 4/4 H312,314 Manufactured in the USA by D’Addario DESCRIPTION Helicores are very popular multi stranded steel cored strings. They give a very clear sound, stable pitch and are especially durable. [lbs] Medium Heavy Material A 12.7 13.6 Aluminium G 10.2 11.4 Silver/ I stopped playig violin and the hav these 2 strings left. They are BRAND NEW!!!