Quick change shell plates allow you to change from one caliber to another in a matter of minutes.When changing to another caliber with a different primer size, be sure to order the pro 1000 primer attachment.Capacity: 1 CasingType: Pro Shell PlateCaliber: 7.62x39/6mm PPC/220 RussianSize: #12Quantity: 1Weight: 0.40 lbsFunction: Easier Die ChangeCompatible With: Pro 1000 PressMaterial: SteelIncludes: Shell PlateFinish: SilverMedia Type: Brass Shell