Finally a feather grinding system which precision grinds both the base and the side of the quill in one operation. Great Northern Feather Grinding System comes complete with precision jig, drum sander and instructional DVD. Simple to use, the average operator can grind a feather per minute. Does left or right wing, turkey, goose, and everything you can get your hands on. Requires drill press capable of around 1800 to 2500 rpm's.