Scaled to fit 4/4 size violin with a playing length of 13 inches (328mm), these light tension strings allow for easier bow response. This is a plain steel E (tin-plated high-carbon steel). 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.