The Lyman Deluxe Rifle 3-Die Set is the perfect solution for the serious reloader who seeks a simple and reliable way to extend case life. This set of dies is essentially two sets in one, thanks to the addition of the Lyman Neck Sizing Die, which helps to prevent overworking of your brass cases, which extends their life. Included in the Lyman Deluxe Rifle 3-Die Set are the Deluxe Carbide Expander Assembly, the Neck Sizing Die, the Standard Full Length Sizing Die, and the Standard Bullet Seating Die. This set of dies comes in a variety of sizes to accommodate all of the most popular case calibers.