DAddario J810 Prelude Violin 1/2 Scale Medium Tension Prelude violin strings are solid steel core strings, unaffected by temperature and humidity changes, and have excellent bow response. Prelude strings have the warmest sound available in an economy, solid steel core string design. Prelude is the educators preferred choice for student strings due to their unique blend of warm tone, economy, and durability. The 1/2 scale strings are gauged specifically for 1/2 size violin with a playing length of 11 1/2 inches (290mm).