Ideal for wets, drys, nymphs, and small streamers, this is the basic thread for all but the smallest trout patterns and saltwater flies. Made from 100% poly, 6/0 thread grabs and holds materials in place. In white, light pink, yellow, brown, tan, red, light olive, gray, maroon, olive, orange, black, pale yellow, dark brown. 100 yards per spool.