Ultra Thread is engineered to enhance tying performance. Nylon thread is strong, flat, smooth and lightly waxed. Spool easily secures thread tag end. Ultra 210 is a strong thread with a breaking strength of 3 lbs. It is recommended for size 1/0 to size 8 flies. Per 100-yd. spool.
Colors: White, Dark Brown, Black, Fluorescent Pink, Fluorescent Fire Orange, Red, Fluorescent Chartreuse, Yellow, Olive.