Lee's double cavity ball round mold produces two balls in the specified size suitable for black powder firearms.These round ball molds have a tangential cut off which eliminates the objectional nib at the sprue.It includes an aluminum mold, sprue plate, and a handle.Capacity: 2 BulletsType: Double CavityCaliber: MuzzleloaderSize: .530 DiameterQuantity: 1Weight: 95 ozFunction: Mold ProjectilesMaterial: Aluminum/WoodIncludes: Handle/Sprue PlateGrain: 223.49 Grain