Lyman Classic Rifle Die Sets come in a variety of different sizes to accommodate all of the most popular classic rifle calibers. These sets are made from high-quality steel to ensure maximum durability and reliable performance, each and every time. Included in the Lyman Classic Rifle Die Set are the Full Length Sizing Die with a one-piece decapping unit; the Neck Expanding M-Die, which provides two-step expansion; and the Bullet Seating Die. All of these dies come in a heavy-duty plastic storage case to keep your dies protected when they are not in use.