100 Gram Melting Crucible Dish Cup Flux Set Kit Melting Gold Silver Stir Rod 7A Works with brass, gold, silver, copper, aluminum, and more Ceramic crucibles withstand temperatures up to 2500F (1371C) Includes a 100 gram ceramic crucible and a 1 ounce package of anhydrous casting flux; plus a 5/16" x 12" graphite stir rod