Lee's Double Cavity Ball Mold produces a Ball in the specified size suitable for muzzleloaders. Round ball molds with double cavity and handles have a tangential cut off which eliminates the objectional nib at the sprue. It includes an aluminum mold, spru plate, and a handle. Size .311 Type Double Cavity Grain 45.16 Grain Series Double Cavity Ball Weight 95 oz Function Mold Projectiles Includes Handle/Sprue Plate Material Aluminum/Wood Quantity 1