Keep your reloaded rounds organized during the handloading process by using the Area 419 Billet Loading Blocks to organize your bench. These blocks are machined from 6061-T6 billet aluminum and feature specially designed pockets in the center of each hole to catch stray powder kernels and prevent any kind of impact to the primer. The blocks hold 50 cartridges and are available in sizes ranging from .223 Rem. to .338 Lapua Mag. The holes measure 0.5 inch deep.