Mini Propane GPK Kwik Kiln Furnace Kit Smelting Gold Silver Copper Metal Scrap with Tongs Mold and Flux Designed to melt around 2 to 5 ounces of gold Requires the use of 2 propane bottles (not included) Includes the Mini Kwik Kiln, tongs, 2 crucibles, anhydrous borax, a graphite stir rod, and gold combo mold (graphite) Made in the USA Can also be used with silver, copper, brass, aluminum, and other precious metals