Hola! HVS-4 High Grade Violin Strings for 4/4 and 3/4 Violins Hola! HVS-4 deluxe violin strings suitable to use on 4/4 and 3/4 Violin sizes. High quality solid steel core for nice warm tone and longevity. Composite aluminum wound with ball end. Flexible and soft to the touch makes playability easy for all player levels. Hola! - Say Hello to Music! Quality and value for your money guaranteed.