Designed to efficiently melt around (ideally) 2 to 5 ounces of gold (but altogether to 10 troy ounces of pure gold). This unit is portable; take it with you! This Kwik Kiln set can be used with Gold, Silver, Copper, Aluminum, Brass, and other precious metals (please note that the capacity for these metals will vary). The Kwik Kiln uses 2 propane gas bottles (not included).
Outer: 4" (101 mm) in diameter x 4" (101 mm) high.
Inner: 1.756" (44 mm) in diameter x 1.53" (39 mm) deep.
Wall Thickness: 1.15" (30 mm).