Full-length die sets for bottleneck cases include two dies. The Full-Length (FL) resizing die features a decapping rod assembly with a neck expander (size button), which resizes the entire case, removes the spent primer and ensures the proper neck tension for bullet seating. The seating die (ST) includes a bullet guide, built-in crimp ring and the appropriate seating plug, allowing for precise bullet placement and a secure crimp. Together, these dies offer a complete solution for resizing and seating, ensuring reliable and consistent performance for your reloading needs.