Crafted for reloaders who demand high performance and consistency, Lyman's latest sizing dies feature 90-degree lube hole spacing to efficiently distribute modern hard bullet lubricants. The flared die entrance aligns bullets effortlessly into a hardened steel body that shapes them concentrically, preserving their cylindrical structure. Engineered to precise industry specifications, each die aligns with recommended caliber diameters, ensuring compatibility with leading rifle and pistol rounds. Pair these with Lyman's custom top punches, which cradle the bullet's nose with contour-specific machining, preventing any deformation and maintaining perfect bullet shape through every press cycle. Constructed with high-grade hardened steel for maximum strength and resilience The tapered mouth design improves feeding and reliability in your firearm 90 degree lube holes facilitate optimal lubrication for smooth mechanical operation Compatible with RCBS punches for versatile reloading options