Hornady Shell Plate Number 12 Steel. Each plate on the Shell Plate by Hornady will also hold additional calibers with the same case head dimensions. This piece of Hornady Gunsmith and Reloading Equipment is designed to fit Lock-N-Load AP (both EZ-Ject and wire ejector models) and Pro-Jector presses making the Hornady Shell Plate one of the most versatile shell plates on the market. This Gunsmith and Reloading Equipment is critical gear for any hand-loader. Specifications for Hornady Shell Plate 392601: Weight: 0.55 lbs Features of Hornady Shell Plate 392601: Holds additional calibers Fits most shell calibers Package Contents: Hornady Shell Plate 392601 Hornady 392612: Shell Plate Number 12 Steel