Incorporating Lyman Bleacher Loading Blocks into your reloading routine will help ease the process of grabbing cases from the block, thanks to the novel design of the block. The Lyman Bleacher Loading Blocks work by incorporating a design similar to the one found in gym bleachers, utilizing an incline that allows individual cases to stand out and be easily retrieved by owners. Will hold 50 individual casings .483 diameter is sized for .308 Win. cases Made from tough polymer The Lyman Bleacher Loading Blocks are a must-have tool for those looking to make the most of their reloading time. Mfg: Lyman