Hornady's straight wall sizing dies feature a titanium-coated sizing ring, reducing friction and preventing case sticking, which eliminates the need for lubrication. These dies are designed for minimal wear, ensuring longer case life and smoother operation with each use. Hornady Custom-Grade new dimension dies represent one of the most advanced reloading systems available today, offering reliable, high-precision results for reloaders. Design of the zip spindle Lock rings featuring wrench flats Elliptical expansion tool Polished surface