The heat regulator is in good condition with no chips or cracks. It measures 7 1/2" wide across the middle by 1/2" thick. There is some pitting on the one side that would have been facing the heat from the stove. The other side is pretty nice and displays well and is made so it can be hung on a wall when not being used. The item "Rare Antique Griswold Cast Iron No.300 Heat Regulator / Trivet" is in sale since Sunday, May 16, 2021. This item is in the category "Collectibles\Kitchen & Home\Cookware\Other Collectible Cookware". The seller is "freddiesbest" and is located in Saxonburg, Pennsylvania. This item can be shipped to United States.