Purchased about 5 years ago for glassmaking. It was in operation until recently and can be used without any problems. However, as it is an older item, please make your judgment based on the photos if you are concerned. Shirota Small Electric Furnace / Super Petit With digital temperature controller Electrical capacity: 100V 400W External dimensions: Width 18.5 x Depth 21 x Height 22.5 cm Internal furnace dimensions: Width 8.5 x Depth 12 x Height 6 cm Weight: Approximately 3.5 kg Usual operating temperature: 0-1000℃ Temperature control: Digital temperature controller Please consider purchasing only if you understand that this is a used item. N Management number k-7052