Scaled to fit 1/2 size violin with a playing length of 11 1/2 inches (290mm), these medium 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. Solid steel core optimized to create the warmest-sounding student strings available. Educator's preferred choice for student strings due to their unique blend of warm tone, economy, and durability. All D'Addario strings are designed, engineered and manufactured in the USA to the most stringent quality controls in the industry.