These shell holders are designed to be used with the Omega Series Benchtop Primer Seater. Crafted for accuracy and durability, these shell holders are designed to provide a seamless fit for your brass, ensuring smooth reloading every time. Available for popular calibers such as .223, .308, 9MM, MAG, and ARC/PPC, these shell holders will work flawlessly with our benchtop primer seater.