The Frankford Arsenal Swage Support Die is designed for compatibility with the X-10 Progressive Press and other reloading systems that utilize inline swaging operations.Frankford Arsenal Swage Support DieCompatible with X-10 Progressive Press and inline swaging systemsStandard 7/8"x14 threading for universal fitCan remain installed on X-10 Tool Head for quick caliber swapsEliminates need for repeated setup when changing calibersPerfect for reloaders running multiple X-10 Tool Heads who want to streamline their caliber change process while maintaining consistent swaging operations.