Basic Kwik Kiln Propane Set I Mini Gold Gas Furnace Melt Melts Gold Silver Copper 5-10 Mins Made in the U.S.A Melts 2 to 5 ounces of gold Includes kiln, anhydrous borax, a pair of tongs, and 2 graphite crucibles Can also be used with silver, copper, brass, aluminum, and other precious metals Melts gold within ten minutes