[Ingot Mold Size] For Outer size:24x22x12mm/9.4x8.7x4.7in; Inner:18x16x7mm/7.1x6.3x2.8in; Capacity: 25g Gold; 14g Silver; Melting and casting metals such as Gold, Silver, Brass, Aluminum, Copper, Zinc, Plumbum, etc. Graphite oil bath, ingot gold, silver, copper, aluminum, glass, etc., non-sticking and not bursting, high-purity, high-density, high-strength graphite, fine processing, fine and smooth surface without visible pores.