1/4 oz 1/2 oz 1 oz Ounce Combo Gold Graphite Ingot Mold Crucible For Melting Casting Refining Scrap Precious Metal Jewelry Features 3 different size molds in one Made from high-density, fine-grain graphite Typically lasts for 30+ pours Has a smooth cavity finish Designed for easy ingot removal with 10 tapered sides