The Lee 45/70 Powder Thru Expanding Die is a versatile tool that expands the case mouth while simultaneously charging the case with powder. This die is designed for use with a powder funnel adapter or it can be paired with the Auto Disk or Pro Auto Disk Powder Measure for efficient powder dispensing. It simplifies the reloading process by allowing both the expansion of the case and the powder charge to be completed in one step, improving efficiency and consistency in your reloading routine. Ideal for reloaders seeking to streamline their workflow, the 45/70 Powder Thru Expanding Die ensures precise powder charges and consistent case expansion.