Spent primer spacer for the lee Breech lock press #90045 This plastic spacer is used to fill the gap between the ram & the frame of the press. Helps keep the spent primers from falling in the small area behind the ram & press, & directs them in the the hole. Part simply just snaps on & your good to go! thanks for looking Please check my etsy store for more makes & model primer catchers. NOTE: This listing is just for the plastic spacer not the press. Press not included Lee Breech Lock Spent Primer Spacer Guide Upgrade