Check the listing for details. DAddario J810 4/4 H Prelude Violin Strings Set 4/4 Heavy. Color: Clear, Condition: New. Listed at 21.99 USD. D'Addario Prelude Violin Strings 4/4 Scale - Heavy TensionJ108 4/4HD'Addario's most popular violin strings, these are an ideal choice for students and beginners. Prelude strings have a solid steel core that makes them durable and very stable in pitch. Due to unique damping techniques, Prelude strings have the warmest sound of any solid steel core string, and are easy to bow, durable and very stable in pitch.Scaled to fit 4/4 size violin with a playing length of 13 inches (328mm), these heavy tension strings are optimized to the needs of a majority of players. Packaged in uniquely-designed sealed pouches providing unparalleled protection from the elements that cause corrosion. Prelude violin strings are manufactured using a solid steel core. Unaffected by temperature and humidity changes, they have excellent bow response. Prelude strings have the warmest sound available in an affordable, solid steel core string design. Prelude is the educator's preferred choice for student strings due to their unique blend of warm tone, durability, and value.