The GRISWOLD #12 Large Block Logo 719 Heat Ring Cast Iron Skillet is a vintage collectible cookware piece that is compatible with various stove types including induction, electric, and gas. Made of durable cast iron, this round skillet features the iconic Griswold brand logo and comes in a classic black color. This original vintage piece is perfect for cooking enthusiasts looking for a unique and timeless addition to their kitchen collection. Sits flat. Has been cleaned and seasoned once.