Ultra Thread is engineered to enhance tying performance. Nylon thread is strong, flat, smooth and lightly waxed. Spool easily secures thread tag end. Use Ultra Thread 140 for medium to large flies. Per 100-yd. spool.
Colors: White, Blue Dun, Dark Brown, Black, Fluorescent Pink, Fluorescent Fire Orange, Red, Fluorescent Chartreuse, Yellow, Olive.