For a wider tonal palette, superb bow response and added richness and clarity, try our D'Addario Kaplan single, viola strings. Designed to fit long scale violas with a playing length of 15 inches, these high end strings will bring your sound to a new level. The solid (411) and stranded steel cores also provide added power and projection, especially in the higher registers, and will allow for greater bow pressure. We offer different string tensions, as the perfect string will depend upon your specific instrument. Our D'Addario Kaplan strings give players full control and range of expression across the entire spectrum. D'Addario strings are designed and manufactured in the U.S. to the highest quality standards in the industry. D'Addario has been manufacturing instrument strings for over 300 years, with a dedication to craftsmanship and innovation.