D Z Strad Viola Model 600 Size 15.5" with Case and Bow (15.5&ldquo; - Size) D Z Strad instruments are played professionally all over the world. Model 600 viola, fine example of hand-crafted viola. Its slightly antiqued. Its sound is full, even, and ideal for advancing player D Z Strad viola, fine example of hand-crafted viola. Its slightly antiqued. Its sound is full, even, and ideal for advancing player Set up by our luthiers with a Rock Maple bridge and D'Addario Helicore strings Clever imitation resembles authentically old instruments.