The Lyman Precision Pistol Carbide 4-Die Set has been precision-crafted from the highest quality materials to deliver premium-quality performance, time after time. This set of carbide pistol dies was specifically designed with serious reloaders in mind, those who engage in high-volume reloading projects and need a high-quality set of dies. The Lyman Precision Pistol Carbide 4-Die Set includes the Full Length Sizing Die, the Two-Step Neck Expander M-Die, the Bullet Seating Die, and the Taper Crimp Die. All four dies come in a heavy-duty plastic storage case to keep them safe when not in use.