NEW #1 Clay Graphite Foundry Crucible Designed to melt Precious Metals such as... Gold, Silver, Copper, Aluminum, Brass.. Etc.. Clay Graphite Crucibles are designed to use with Fuel and Medium/High Heat Induction Furnaces/Kilns Clay Graphite Crucibles can withstand temps up to - 1560 F - 2912 F - 850 C - 1600 C Dimensions: Outer - 3.5" H x 3.5" Dia. Inner - 3" Depth x 2.5" Dia. (Inner) **Heavy Duty Crucible Tongs Available in our Amazon Store** Custom Size Crucibles Available on request! We always combine and reduce shipping on multiple purchases!