Pirastro Obligato Series Viola A String 16.5 in. Medium
Obligato A string for viola. Core made from new synthetic fiber, available in three styles. Warm, rich, sonorous tone quality, very rich with overtones. Impressive amount of volume, very dynamic response and great playability. This series features excellent uniformity across all strings, a pliable feel under the finger, and is resistant to changes in temperature and humidity.