Lyman Deluxe 3-Die Rifle Sets most unique feature is a Carbide Sizing Button Assembly that is super hard and slick, eliminating the need for inside the neck case lube and prevents case stretching resulting in reduced case trimming. Another feature of the Lyman Carbide Sizing Button Assembly is the button can be adjusted so the user can maximize the leverage available at different positions in the operation of the press lever. Set come with  a Full Length Sizing Die, a Neck Sizing Die & a Bullet Seating Die.