The breech lock challenger press with the "o" frame is the strongest style press.The larger than average 4" opening allows for maximum hand clearance.The spent primer catcher is positive and allows you to route the spent primers directly to the trash can.Features include all steel linkage with adjustable length lever.Press includes one breech lock quick change bushing.Type: Reloading PressMaterial: AluminumHoles: 2Mount Type: Portable