Spent primer spacer for the lee Breech lock press #90045 This plastic spacer is used to fill the gap between the ram and the frame of the press. Helps keep the spent primers from falling in the small area behind the ram and press, and directs them in the the hole. Part simply just snaps on and your good to go! thanks for looking Please check my etsy store for more makes and model primer catchers. NOTE: This listing is just for the plastic spacer not the press. Press not included (Item is 3d printed and may show small layer print lines) View my store for more lee and other press items. thanks for looking