The stepped design allows you to easily grip a single case without jamming your fingers down into a group of cases like in traditional loading blocks, and allows for a smaller footprint on your bench.Made of tough, durable polymer, the bleacher blocks are molded in three sizes to closely fit a variety of rifle cases.Capacity: 50rdsType: Loading BlockCaliber: 308 WinSize: .485Quantity: 1Function: Holds CasesCompatible With: 308 Caliber CasesMaterial: PolymerFinish: Orange