The Dillon Precision Steel Rifle 3-Die Set is made from high-quality sintered carbon and hand-finished to exact tolerances. This kit includes a sizing/depriming die to size cases down, deprime, and expand case necks without the squeak. A bullet-seating die keeps your bullet straight throughout the seating process. The taper crimp die centers the case neck and case body, aligning the whole cartridge for more uniform crimping. High-quality sintered carbon Exact tolerances Includes sizing/depriming die, bullet-seating die, and taper-crimp die