The Redding E-Z Feed #12 Shell Holder features a unique tapered design that makes case insertion easier than ever combined with precision-machined construction for perfect case fit.Redding E-Z Feed Shell Holder #12Tapered design for easier case insertionPrecision-machined to close tolerances for perfect fitUniversal design fits all popular reloading pressesHeat-treated construction for durabilityOutside knurling for easy handling and changingEssential for reloaders seeking reliable precision shell holding with enhanced ease of use and universal press compatibility.