The latest evolution in Lyman bullet sizing dies features an optimized 90-degree lubricant hole layout, ensuring even thick or hard bullet lubes are applied with ease during the sizing process. Built with a flared entrance and a heat-treated interior bore, the die aligns bullets flawlessly while forming a true and uniform cylindrical shape. Each sizing die is manufactured to caliber-specific standards based on industry recommendations, making them suitable for a broad range of pistol and rifle cartridges. Combined with Lyman top punches, which are precision-milled to cradle the exact contour of your bullet's nose, this system guarantees unmatched accuracy and deformation-free results. 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