Features: Metal crucibles have good thermal conductivity, which can greatly shorten melting time and save energy. Metal crucibles have good thermal stability and are suitable for use in emergency situations or low-temperature conditions. Excellent corrosion resistance, impact resistance, acid resistance, and alkalis resistance. It can melt metals such as gold, silver, and other alloys, with a long service life. It maintains various physical and chemicals properties of its original natural Metal. Specifications: Material: Metal Mold melt: 1kg/2kg/3kg Package Includes: 1Piece Metal Crucible note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.