This is a set of 4 PIRASTRO Olive viola strings. - Brand: PIRASTRO - Model: Olive - Type: Viola Strings A-String 13 3/4 PM D-String 16 1/4 PM G-String 17 PM C-String 19 3/4 PM These are used, second-hand strings. The A-string has some slight damage. Strings can break easily even when new, so please understand that these are used strings. Feel free to ask any questions in the comments. Thank you for looking. #Olive #Strings #Oliv #Viola #ViolaStrings #ViolaStrings