EP Wooly Critter Brush- These brushes are excellent for a multitude of pattern styles, particularly carp flies. With these wiggly, two-tiered brushes you can tie the most sophisticated Wooly Bugger, Crayfish, Stone Fly, Night Crawler, etc., and you can also create any crab or shrimp pattern. Also great for the collars on mop flies. 6 Brushes per pack. .5 wide fibers and brushes are 10" long.