Long-scale viola (body length 16-16 1/2 inches) with a playing length of 15 inches (380mm). Light tension. . . All D'Addario strings are designed, engineered and manufactured in the USA to the most stringent quality controls in the industry. 
 
Kaplan Forza viola strings are aimed at the most discerning professional musicians, offering the beautiful, rich tonal palette and superb bowing response characteristic of the Kaplan line. Kaplan Forza viola strings provide clarity, warmth, and versatility throughout the dynamic spectrum, allowing professional players the control, expression, and worry-free playing experience they demand.
IDEAL FOR: 
PROFESSIONALS
 
PRODUCT FEATURES
Construction: Ball-end
Core Material: Stranded Steel Core
Rich, dynamic tonal palette
Provides projection and clarity, plus power and versatility
Short break-in time and excellent bow response provides superb playability
All D'Addario strings are designed, engineered, and manufactured in the USA