The D'Addario Kaplan Amo Viola C String is a high-quality string designed for medium-scale violas with a body length of 15-15 3/4 inches and a playing length of 14 1/8 inches (360mm). These medium tension strings are optimized to meet the needs of a majority of players. They come packaged in uniquely-designed sealed pouches that provide unparalleled protection from corrosion-causing elements. The Kaplan Amo Viola C String is part of the Kaplan Viola strings series, which offers professional-level players a full range of options. The Kaplan Amo set provides warmth, richness, and flexibility for brighter instruments, while the Kaplan Vivo set delivers brilliance, clarity, and a robust feel for darker instruments. Additionally, the Kaplan Forza set, with its stranded-steel core, offers an even higher level of clarity, tonal focus, quicker bow response, and settling time.