The RCBS 3-Die Taper Crimp Set is a reliable solution for reloading straight-wall cartridges with accuracy and ease. This set includes a hardened steel Sizer Die that sizes and de-primes cases requiring lubrication for optimal performance. The Expander Die ensures each case is properly expanded to accept bullets while imparting a flare at the case mouth for smooth feeding. The Seater Die completes the process by seating the bullet and applying a taper crimp for proper cartridge headspacing and secure alignment.Crafted to the highest industry standards these dies are machined to exact tolerances hardened for durability and finished with precision to ensure consistent results. Packaged in RCBS's signature green storage box and proudly made in the USA this 3-Die Taper Crimp Set is an essential tool for reloaders aiming for precision and dependability in every round. Order yours online today!Shop more reloading supplies here!