This item may be regulated for export by the U.S. Department of State or the U.S. Department of Commerce. Please see our Export Policy prior to placing your order.The primer tuber filler drops primers in the tube and not on the floor. Ends the time-consuming job of inserting primers into the feed tubes of automatic priming systems. This will hold a full box of shotshell primers and fills the tube with a turn of the dial. Will not drop upside-down primers into feed tube.