RCBS Carbide 3-Die Set with Taper Crimp 45 ACP & 45 GAPMade from polished and heat treated steel, the RCBS Carbide 3 Die Set has a Sizer Die with Decapping Unit, Expander Die for expanding and belling the case mouth and a Seater Die for seating and crimping the bullet. No sizing lube is needed with these carbide dies. Comes with Taper Crimp Die. Shellholder sold separately. Comes with a plastic storage case and Lifetime Guarantee from RCBS