D'Addario Helicore Viola Single C String, Long Scale, Light Tension

Long-scale viola (body length 16-16 1/2 inches) with a playing length of 15 inches (380mm)
Light tension
Stranded steel core provides optimum playability and produces a clear, warm tone
Versatile string that works well for a wide variety of playing styles and instruments
All D'Addario strings are designed, engineered and manufactured in the USA to the most stringent quality controls in the industry