The Lyman Universal Decapping Die is the perfect die for decapping your primer pockets before you clean your cases. This handy tool features a one-piece design made from hardened steel to ensure a lifetime of durable performance. What more could you ask for? This Lyman Universal Decapping Die is ideal for removing military crimp from your primer pockets and works on all types of calibers, ranging from .22 through .45, except for the .378 and the .460 Weatherby. If you are in the market for a high-quality decapping die, look no further.