D'Addario Helicore   viola string G-3 17"+, medium, silver

D'Addario Pro Arte Bowed   viola string G-3 16"+, medium, silver

D'Addario Kaplan Vivo   viola string A-1, 16" long, solid steel, titanium wound, medium

D'Addario Kaplan Vivo   viola string G-3, 16" long scale, stranded steel, silver wound, medium