Mark 7's Ultimate Die Packs set the new standard for optimum reloading performance. Designed for the tremendous volume of our Mark 7 presses, the die packs give you everything that you need to produce top quality ammunition! No where else can you find a die pack that contains such advanced features. Stainless steel die bodies Spring loading decapping rods in both the Sizing Die and the Universal Decapping Die Flared die mouths for easy case entry Highly polished tungsten carbide sizing rings in both pistol and rifle sets Rifle sets include carbide size die and carbide expander button Micrometer Adjustable Bullet Seating and Taper Crimp Dies Mfg: Mark 7 Reloading