The Rock Chucker Supreme Single Stage Reloading Press is the Gold Standard other single-stage presses are measured against. For decades it has provided unparalleled versatility and strength to make it the top choice for both discerning novices and experienced alike. It doesn't matter if you are looking for your first press or 10th you need a Rock Chucker on your bench. The Rock Chucker Supreme combines easy operation, ambidextrous handle, outstanding strength, and versatility to earn that coveted spot on your reloading bench. Featuring a spacious 4.25" loading window that is perfectly suited for loading longer magnum and a central pivot design that provides outstanding leverage to size the toughest cases. The Rock Chucker Supreme also has large mounting points, a long handle to ensure you can size your cases with ease and without fear of pulling your press off your bench. Accessory Base Plate not included. Accepts Standard 7/8"-14 thread dies with bushing, and 1-1/4"-12 without bushing 4.25" Operating Window On Press Priming Heavy-Duty Cast Iron Construction Ambidextrous Backed by Legendary RCBS Warranty Made in USA