Lee Precision Powder Through Expanding Die .38 Special / .357 Magnum - 90581

This powder through expanding die charges the case while simultaneously expanding the case mouth for .38 Special and .357 Magnum cartridges. It is used in conjunction with a powder funnel adapter, Auto Disk, or Pro Auto Disk Powder Measure during the reloading process. The die is constructed of steel and is designed for use in a reloading press.