Corelli Crystal   viola string A-1, 33/37 cm., light, steel, aluminum

Corelli Crystal   viola string D-2, 33/37 cm., light, stabilon, aluminum

Corelli Crystal   viola string A-1, 33/37 cm., heavy, steel, aluminum

Corelli Crystal   viola string G-3, 30/32,5 cm., medium, stabilon, tungsten

Corelli Alliance   viola string set, 33/37 cm., light, consists of CO-831-L, CO-832-L, CO-833-L and CO-834-L

Corelli Alliance   viola string D-2, 33/37 cm., light, stabilon, aluminum-alloy

Corelli Alliance   viola string C-4, 33/37 cm., light, stabilon, tungsten-alloy

Corelli Alliance   viola string D-2, 33/37 cm., heavy, stabilon, aluminum-alloy