Lee 380 Auto (ACP) Pistol Breech Lock Carbide Micrometer 4-Die Set includes colored quick change bushings for easy die identification Carbide Full Length Sizing Die Powder Through Expanding Die Micrometer Bullet Seating Die Carbide Factory Crimp Die Universal Shell Holder Powder Dipper and Instructions/Load Data. Select this die set if you are reloading mixed range brass and have the Breech Lock Quick Change feature on your reloading press.