This is an authentic copper omelet pan (27cm square, tin-lined) made by Shinko Metal, a well-known copperware manufacturer. This is a commercial-grade pan, perfect for making fluffy and evenly cooked rolled omelets and thick omelets. It excels in heat conductivity and is a model favored by professional chefs. --- 【Product Details】 • Manufacturer: Shinko Metal • Material: Outer = Copper, Inner = Tin-lined • Size: Approximately 27.5cm x 27.5cm (27.0 marking) • Handle: Wooden + Copper ferrule • Condition: Shows signs of use such as scratches, discoloration, and dirt (see photos). There is some light wear on the interior, but no dents or warping. • Functionality: Fully functional --- 【Features】 • Allows for even cooking, resulting in fluffy rolled omelets. • Thick copper construction provides excellent heat retention and conductivity. • Tin-lined finish prevents sticking and allows for long-term use with proper care.