Lyman is one of the most recognized names in reloading, producing innovative tools for serious shooters and reloaders. Offering products that get the job done while still offering value and advancing technology. Lyman uses its years of experience and user feedback to offer the best performing reloading tools available. Lyman Precision Die Sets are crafted on state of the art computer controlled equipment insuring that each die is perfectly dimensioned. Each rifle sizing die is vented to prevent trapped air that can damage cartridge cases, polished, heat treated for toughness and then receives a final micro-finish polish for extra smoothness. Lyman 2 die rifle sets are perfect for loading jacketed bullets in bottleneck cases. Includes full length sizing die and bullet seating die with a roll crimp. 7/8"-14 threads to fit all popular presses.