The Thunder Group SLSPS4020C is a durable stock pot lid designed for optimal performance. With a diameter of 12-3/8 inches and a thickness of 5/8 inch, it fits perfectly on the SLSPS020 and SLSAP4050 stock pots. Made from high-quality stainless steel, this lid is both dishwasher and oven safe, ensuring easy cleaning and versatility in cooking. Its heavy-duty construction guarantees long-lasting use, making it a reliable addition to your cookware collection. NSF certified for safety and quality, this lid is ideal for both professional and home kitchens.