The Lee 45 Colt Pistol Breech Lock 4-Die Set is a comprehensive reloading solution designed for ease and precision. This set includes colored Smart Lock bushings for easy die identification, making it quick and simple to change dies. It features a Carbide Full-Length Sizing Die, Powder Through Expanding Die, Bullet Seating Die and Carbide Factory Crimp Die, providing everything needed for resizing, expanding, seating and crimping your 45 Colt cartridges. Also included are a Universal Shell Holder, Powder Dipper and detailed Instructions/Load Data to guide you through the reloading process. Perfect for reloaders working with mixed range brass, this die set is compatible with reloading presses that feature the Breech Lock Quick Change system, allowing for easy die changes without losing your settings. This set ensures efficient, consistent and reliable reloading for your 45 Colt ammunition.