A hair stacker is a tool use to align the tips of hair cut from a hide before attaching it to the fly. It is as simple as putting the fur into the brass tubing, placing the tube into the stacker, and gently tapping a tabletop with it a few times. All of your hair will be aligned and ready to secure to your fly. Made of anodized aluminum and developed by Andy Renzetti and Pat Ehlers.
Standard 3/4 OD and 1 3/4" Long
Magnum 5/8" OD and 2 1/4" Long