Mini Propane Gold Kwik Kiln Metal Melting Furnace Set Melting Oven Kit Set for Melting Gold Silver Copper Precious Metals Made in the USA Requires 2 standard propane bottles (not included) Includes kiln, tongs, graphite stir rod, mold, anhydrous borax, safety gloves, and 2 graphite crucibles Melts 2 to 5 ounces of gold Can also be used with silver, copper, brass, aluminum, and other precious metals