Yamada iron launch one hand wok (thickness 1.2mm) 27cm (japan import) Size: 270x80mm, Thickness:1.2mm Weight: about 830g Japan local product, made in Japan There are some differences in size, depth, and weight caused by its manufacturing process. Since it is hammered out over 5000 times, there may be scratches, peeling off of the black skin, uneven color on the surface It's coated with anti-rust sealant. Please burn off the coating thoroughly before use