Product Details: 　　One piece of domestically produced black iron plate (JIS standard) 　　Plate thickness: 12 mm 　　Size: 35 cm diameter It's cut with a laser, so it's clean. There is no warping at all. Product Description: Iron plates have heat retention properties, so the thicker they are, the more slowly you can cook. Heat is transferred evenly, so there are fewer unevenly cooked spots, and you can make crepes. It's quite popular. Material costs have increased, and this is the limit. If anything, it might go up a bit more in the future.