Thank you for viewing. These are viola strings that I didn't use after purchasing them. Helicore C string, D string Larsen A string, I am selling these three strings together. I am not considering selling them individually. Please see the photos for the detailed sizes. D'Addario Helicore and Larsen Ball End viola string set, medium size. - Brand: D'Addario - Model: Helicore Viola Strings - Size: Medium - Brand: Larsen Strings - Model: Ball End Viola I - Size: Medium