This torch kit includes a 100 gram ceramic crucible (withstands temperatures up to 2500F), 4 oz of anhydrous borax casting flux (helps purify and liquify molten metals while keeping it at a cleaner state to allow for better pours, providing more successful results and castings); it also comes with a pair of small stainless steel whip tongs, a 5/16 diameter x 12 length graphite stir rod, plus a gold graphite combo ingot mold with 1/4 T. oz, 1/2 T. oz, and 1 T. oz capacities. Works with gold, as well as brass, silver, copper, aluminum, and more!