Whiting Farms Introductory Neck Hackle Pack. Match the hatch with this dry-fly hackle pack from Whiting Farms. The Whiting Introductory Hackle Pack features four high-quality, genetically bred half-rooster capes packaged together in one economical bundle. Perfect for the casual tier or beginner, this is a cost-sensitive way to tie an assortment of hatch-matching dry flies. In brown, natural grizzly, black, medium dun. Made in USA. The feather sizes are mostly 10 to 18 and each feather will tie at least several flies. The hackle is not graded by Whiting but the quality is more than equal to their bronze grade.