Hornady 546225 DIESET 2 243 WSSM Winchester SS Mag Custom Grade Reloading DIE Set (Series I, Two DIE set) (.243) Includes easy access die box, full-length size die, seating die New Zip Spindle design Wrench flats on Sure-Loc Lock rings Elliptical expander polished to a smooth finish All Hornady dies are warranted against defects in material and workmanship for the life of the product