[Ingot Mold Size] For Outer size:44x22x10mm/17.3x8.7x3.9in; Inner:35x15x5.5mm/13.8x5.9x2.2in; Capacity: 49g Gold; 23g 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.