The Primer Pocket Swager is designed to make swaging range brass a breeze, so fast and efficient that you'll want to tackle every piece of brass you come across. Compatible with all single-stage presses featuring 7/8-14 threads in the press frame and capable of accepting universal press shell-holders, this tool is incredibly versatile. The spring-assisted case extraction and all-steel case guide ensure that each case is perfectly centered on the push rod, providing smooth and consistent operation. Its shell-holderless design allows you to effortlessly swage both small and large primer pockets without the need to swap out shell-holders, making it a must-have tool for reloaders seeking maximum efficiency and ease of use.