The Carbide Sizer Die eliminates the need for case lubrication and cases do not need to be cleaned before sizing. Carbide Die Sets consist of a Carbide Sizer Die with Decapping unit, Expander Die for expanding and belling the case mouth, plus a Seater Die with Taper Crimp and Bullet Seater Plug.Specifications and Features: Carbide Sizer Die with Decapping Unit Seating Die with Taper Crimp and Bullet Seater Plug Expander Die