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. Size .530 Diameter Type Double Cavity Grain 223.49 Grain Series Double Cavity Round Ball Weight 95 oz Caliber muzzleloader Function Mold Projectiles Includes Handle/Sprue Plate Material Aluminum/Wood Quantity 1