With their innovative 90-degree lube port spacing, Lyman's latest sizing dies make the application of hard, high-viscosity lubricants easier and more efficient than ever before. The die's flared entry ensures smooth bullet seating, while the hardened interior surface supports exact concentric shaping for consistent bullet diameter. Available in all standard sizing dimensions aligned with popular rifle and pistol calibers, these dies help ensure optimal fit and ballistic consistency. Each top punch is milled with high precision to match the bullet's nose configuration, effectively eliminating deformation and ensuring perfect projectile integrity after each press stroke. 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