DescriptionDo you want to use melting metal to make different shaped accessories? This melting kit including crucible, groove and fire brickis your best choice. Made of selected materials, the tools have well thermal stability and impact resistance, strong acid and alkali resistance, good thermal conductivity.Features-Color:Black,White,Light Grey -Material:Graphite, quartz, silicon dioxide -Size(c rucible ):8.80X7.00X3.80cm/3.46X2.75X1.49in -Size(fire brick):10.80X10.80X1.20cm/4.24X4.24X0.47in -Size(groove):7.60X5.20X1.20cm/2.99X2.04X0.47in - Owning the strong wear and break resistance ability, very durable. You can make your favorite small objects to exercise your hands-on ability.- Can be used for quick heating and cooling. You can make your favorite small objects to exercise your hands-on ability.- The melting mold tools are widely used in glass, ceramics, textile industry.-Can be well applied to temperature melting alloys such as gold, silver, copper, and brass.- Has a reasonable structural design, simple and practical, and can easily help you with casting work.