Using our graphite ingot molds is straightforward and user-friendly. Simply preheat the mold to dehumidify, pour your molting metal into the mold, and allow it to cool. The non-stick surface allows easy release of the solidified ingot, minimizing damage and allowing a perfect shape every time. Features -Color:Black -Material:Graphite -Size:10.00X5.00X2.50cm/3.93X1.97X0.98in -Sturdy: the graphite molds are constructed from graphite, capable of withstanding high temperatures environments -Petroleum industry suitability: these ingot molds are tailored for the petroleum industry, ideal for storing and transporting petroleum products -Multipurpose design: the graphite crucibles are suitable for various oil tank types, providing versatility in application -Simple installation: these crucibles for melting metal are easy to install, facilitating straightforward maintenance and cleaning - performance: built to endure, providing a dependable solution for years of use Package list: 12 x graphite molds