Lee .458 BULLET SIZING KIT sizes cast bullets also seats and crimps gas checks. Fits any standard 7/8x14 thread reloading press. Lee Liquid Alox And Reloading Press Are Required To Utilize This Kit And Are Sold Separately. Note from Lee: If Using This Kit On The Automatic Processing Press (App) Customers Will Need To Supply Their Own Catch Container.Specifications and Features: CA Prop 65 Chemical Lead Reloading Diameter .458" Casting Item Type Sizer and Punch