Hornady Universal Loading Block This double-sided Hornady Loading Block helps your process and load quantities of almost any cartridge you choose. Fits magnums, .308 case heads, .223 case heads, 32 ACP thru 458 Magnum and almost everything in between. Works well when dispensing powder directly into the case via a traditional powder measure or when using a funnel with weighed charges. Features: a Fits most cartridges using one side of the block or the other. a Holds 50 cases at one time. a Hanging hole for pegboard or wall