The Lee 45 ACP Pistol Breech Lock 4-Die Set is a complete reloading solution that offers precision, ease of use and efficiency for reloaders working with 45 ACP cartridges. This set includes colored Smart Lock bushings, which allow for easy die identification and quick changes between dies. The set features a Carbide Full-Length Sizing Die, Powder Through Expanding Die, Bullet Seating Die and a Carbide Factory Crimp Die, providing all the essential tools needed for resizing, expanding, seating and crimping your ammunition. Additionally, the kit comes with a Universal Shell Holder, Powder Dipper and detailed Instructions/Load Data to guide you through the reloading process. Designed for those reloading mixed range brass, this die set is compatible with presses that feature the Breech Lock Quick Change system, making die changes fast and hassle-free without losing your settings. This die set ensures reliable and consistent reloading results every time for your 45 ACP rounds.