Primer pocket swager works so fast that you’ll want to swage all range brass you pick-up. Works on all single stage presses with 7/8”-14 threads in the press frame that can accept universal press shell-holders. Features spring assisted case extraction, and an all steel case guide, ensures cases will be positively centered on push rod. Shell-holderless design, allows you to swage any small or large primer pocket, without swapping to a different size shell-holder.